Wednesday, August 30, 2023

Aug. 30/2023

 

Weird Animals – A List Of The World’s Strangest Species Part 3

4/4/2023 

activewild.com

Okapi

Scientific name: Okapia johnstoni

Type of animal: Mammal

Family: Giraffidae

Where found: Africa

Conservation status: Endangered

The okapi is a type of ungulate (hoofed mammal) found in forests in Central Africa. The species has a unique appearance, with zebra-like πŸ¦“ stripes on its legs & a long, prehensile tongue that can reach up to 18 in. / 46 cm in length.

The animal’s weird markings provide camouflage against predators in the forest habitat in which it is found. The species’ main predator is the leopard.

The okapi’s closest relative is the giraffeπŸ¦’; the 2 animals are the only members of the giraffe family, Giraffidae.

The okapi is primarily herbivorous, feeding on leaves, fruits, & other vegetation. A rare & endangered animal, the okapi is seldom seen in the wild.

Pangolin

Type of animal: Mammal


Family: Manidae

Where found: Africa, Asia

Pangolins are a group of small to mid-sized mammals with unique, scaly skins. The scales are made of keratin – the same natural substance out of which our fingernails are made.

Pangolins are primarily insectivorous, feeding on ants 🐜, termites, & other small insects. Their tongues are sticky & extremely long – those of larger pangolin species can reach up to 16 inches / 40.6 cm in length.

The pangolins’ scaly skin & insect-based diet give them the alternative name of scaly anteaters.

Pangolins are known for their ability to curl up into a tight ball when threatened, with their scaly exterior providing protection from predators.

There are 8 different pangolin species. Together, they make up the family Manidae, the only family in the order Pholidota.

Pink Fairy Armadillo

Scientific name: Chlamyphorus truncatus

Type of animal: Mammal

Family: Chlamyphoridae

Where found: South America (Argentina)

Conservation status: Data Deficient

The pink fairy armadillo is a type of armadillo found only Argentina. With a maximum length of around 11.5 cm / 4.5 in, is it the world’s smallest armadillo species. it has a pink, armored shell & a long, pointed snout. It lives in dry, grassy plains & dunes.

Pink fairy armadillos are primarily nocturnal, burrowing underground during the day to escape the heat.

Platypus

Scientific name: Ornithorhynchus anatinus

Type of animal: Mammal

Family: Ornithorhynchidae

Where found: Australia

Conservation status: Near Threatened

No list of weird animals would be complete without the platypus, an animal so strange that early scientists didn’t believe that it was real. (When presented with a preserved platypus sent to them from Australia, scientists at a British museum thought that the specimen was several different animals that had been sewn-together.)

The platypus is found only in eastern Australia. It has a bizarre appearance, with a bill like a duck πŸ¦†, webbed feet like an otter 🦦, & a beaver-like tail.

Platypuses are primarily carnivorous, feeding on insects, crustaceans, & small fish 🐠 They are able to detect electrical fields produced by their prey, using electroreceptors in the bill.

As if that wasn’t enough, the platypus is a monotreme – an egg-laying mammal, one of only 5 such animals alive. (The 4 other monotremes are all echidnas, covered elsewhere in this list of weird animals.)

The male 🚹 platypus has venomous spines on its rear ankles. A sting from a platypus is excruciatingly painful, but not fatal.

Red-Lipped Batfish

Scientific name: Ogcocephalus darwini

Type of animal: Fish

Family: Ogcocephalidae

Where found: Pacific Ocean

Conservation status: Least Concern

The red-lipped batfish is a type of fish 🐟 found in the Pacific Ocean surrounding the Galapagos Islands & off the coast of South America.

There are a lot of weird-looking fish, so it takes a lot for a species to stand out. The red-lipped batfish does so easily, with its bright red lips, eye stalks, & leg-like fins that allow it to walk along the ocean floor.

The red-lipped batfish is primarily carnivorous, feeding on small fish 🐠 & crustaceans πŸ¦€. It attracts its prey with the use of a glowing ball mounted at the tip of a fin that emerges from its head. Weird.

Saiga Antelope

Scientific name: Saiga tatarica

Type of animal: Mammal

Family: Bovidae

Where found: Asia

Conservation status: Critically Endangered

One of the world’s weirdest-looking land mammals is the saiga antelope, a species found in the grasslands of Central Asia.

The saiga antelope is unmistakable with its long, bulbous nose. This unique feature is an adaption for living in dry grasslands; during the winter, air is heated up in the nose before entering the lungs. During the summer, the nose cools the animal & filters dust from the air.

Saiga antelopes are primarily herbivorous, feeding on grasses & other vegetation. They are also known for their migratory behavior, with herds traveling long distances each year to find food & water.

Shoebill

Scientific name: Balaeniceps rex

Type of animal: Bird

Family: Balaenicipitidae

Where found: Africa

Conservation status: Vulnerable

The shoebill is a large wading bird 🦀 found in freshwater swamps in East Africa. The species has a unique appearance, with a large, shoe-like bill & a tall, flat crest on its head.

Shoebills are primarily piscivorous, feeding on fish, eels, & other aquatic animals. They are known for their slow movements & patient hunting behavior, standing still for long periods before striking at their prey.

If you’re not quite sold on the whole birds-are-dinosaurs evolutionary theory, then take a look at the shoebill; this weird, prehistoric-looking species might just change your mind!

Star-Nosed Mole

Scientific name: Condylura cristata

Type of animal: Mammal

Family: Talpidae

Where found: North America

Conservation status: Least Concern

When you live in the pitch darkness of underground tunnels & are virtually blind, good looks aren’t high in your list of evolutionary priorities. Which explains the bizarre appearance of the star-nosed mole.

This strange burrowing mammal has a star-shaped nose made up of 22 fleshy, pink tentacles. This extremely sensitive organ helps the mole to navigate & find prey in its underground world.

The species is primarily insectivorous, feeding on earthworms πŸͺ±, insects 🐜, & other small invertebrates.

Tasmanian Devil

Scientific name: Sarcophilus harrisii

Type of animal: Mammal

Family: Dasyuridae

Where found: Australia

Conservation status: Endangered

The Tasmanian devil is an endangered species of carnivorous marsupial found in Australia. It inhabits the island state of Tasmania. Recently, a small number of devils were released into a sanctuary on mainland Australia.

The Tasmanian devil has a stocky build, powerful jaws, & sharp teeth, & is known for its aggressive behavior when threatened or feeding.

Tasmanian devils are primarily scavengers, feeding on carrion & small prey such as insects, reptiles, & small mammals. They are known for their distinctive vocalizations, including growling, screeching, & screaming.

The Tasmanian devil is an endangered species due to an illness that, over the last 2 decades, has swept through much of the population.

Thorny Devil

Scientific name: Moloch horridus

Type of animal: Reptile

Family: Agamidae

Where found: Australia

Conservation status: Least Concern

The thorny devil is one of many weird animals found in Australia. This little lizard looks like a miniature dinosaur, with a horned face, spikes on its body, & a false head situated behind its real one. It grows to around 20.3 cm / 8 inches in length.

Thorny devils are primarily insectivorous, feeding on ants 🐜 & other small insects. The reptile’s ridged skin is an adaption for living in a desert habitat. Using capillary action, dew that has condensed on the animal’s body is transported to its mouth.

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Friday, August 25, 2023

Aug. 23/2023

 

Weird Animals – A List Of The World’s Strangest Species Part 2

4/4/2023 

activewild.com

Giant Isopod

Scientific name: Bathynomus

Type of animal: Crustacean

Family: Cirolanidae

Where found: Deep-sea habitats worldwide

Giant isopods are large crustaceans found in deep-sea waters around the world. These large invertebrates have a distinctive appearance, with flat, oval-shaped bodies & 7 pairs of legs. Additional appendages are used for respiration & swimming.

These weird sea animals look like overgrown woodlice, which is unsurprising, because that’s (kind of) what they are; both they, & the woodlice you might find in your backyard, belong to the invertebrate order Isopoda.

Giant isopods are scavengers, feeding on dead or decaying animals that sink to the ocean floor. They can survive for long periods without food; over 5 years in the case of one captive individual.

Glass Frog

Type of animal: Amphibian

Family: Centrolenidae

Where found: Central & South America

Glass frogs are a family (Centrolenidae) of small frogs found in Central & South America. Glass frogs have a unique appearance, with transparent skin that allows their internal organs to be visible from the outside.

Currently, 157 species of glass frogs are recognized. 

Glass frogs are primarily arboreal, living in trees & shrubs near streams & rivers. The frogs attach their eggs onto plants that overhang a body of water. When the eggs hatch, the tadpoles fall into the water, where they continue their development.

Goblin Shark

Scientific name: Mitsukurina owstoni

Type of animal: Fish

Family: Mitsukurinidae

Where found: Deep sea habitats worldwide

Conservation status: Least Concern

The goblin shark is one of the world’s weirdest sharks. The species’ name comes from its distinctive looks; its long, protruding snout & needle-like teeth gives it a goblin-like appearance.

The goblin shark is an opportunistic feeder, using its long snout to detect & capture prey in the dark waters of the deep sea.

This deep-sea species is the only member of the family Mitsukurinidae, & is found in deep-sea waters around the world.

Hammer-Headed Bat

Scientific name: Hypsignathus monstrosus

Type of animal: Mammal

Family: Pteropodidae

Where found: Africa

Conservation status: Least Concern

Bats are quite a weird-looking group of animals. Due to their unique nocturnal, insect-catching behavior, many bats have unusual features, including extended noses or overlarge ears.

One of the weirdest bats is the hammer-headed bat, a species of fruit bat found in Africa. While the female of the species looks fairly normal, the male has a huge, box-like face & large lips. The male’s bulbous large head serves to amplify its mating calls.

Hammer-headed bats are mainly frugivorous (fruit-eating).

Hoatzin

Scientific name: Opisthocomus hoazin

Type of animal: Bird

Family: Opisthocomidae

Where found: South America

Conservation status: Least Concern

The hoatzin, also known as the stinkbird, is a weird bird found in South America’s Amazon & Orinoco basins.

The stinkbird has a distinctive appearance, with a spiky crest on its head & a patch of blue skin surrounding its eyes – but that’s not the only reason it has been included in this list of weird animals.

The hoatzin’s unpleasant nickname comes from the odor produced as a by-product of its unusual digestive system, in which leaves are fermented in a special area of its throat. No other bird digests its food in such a manner.

As if that weren’t enough, unlike nearly all other birds, infant hoatzins have claws on their wings that help them to climb back into the nest if they fall out.

This unique species is the only member both of the family, Opisthocomidae, & the order, Opisthocomiformes.

Japanese Spider Crab

Scientific name: Macrocheira kaempferi

Type of animal: Crustacean

Family: Inachidae

Where found: Pacific Ocean

Conservation status: Unassessed

The Japanese spider crab is both the world’s largest crab & the second-heaviest arthropod. Its leg-span measures a huge 3.7 m (12.1 ft), & an individual can weigh from 16 to 20 kg. (The world’s heaviest arthropod is the American lobster, Homarus americanus.)

This weird crustacean has long, spindly legs & a wide, flat body. It is primarily a scavenger, feeding on dead or decaying animals on the ocean floor. The species is known for its longevity, with some individuals living up to 100 years.

Japanese spider crabs are found in the seas around Japan.

Maned Wolf

Scientific name: Chrysocyon brachyurus

Type of animal: Mammal

Family: Canidae

Where found: South America

Conservation status: Near Threatened

The maned wolf is a type of canid (member of the dog family, Canidae) found in grasslands in South America. The species has long, slender legs, reddish-brown coat & shaggy mane, & is included in this list due to its weird, long-legged appearance.

Unlike its namesake the gray wolf, the maned wolf does not live in packs. It is an omnivore, hunting a variety of small to mid-sized animals & also eating plant matter, including a plant named the wolf apple Solanum lycocarpum – due to the maned wolf’s liking for its fruit.

Mata Mata

Scientific name: Chelus fimbriata

Type of animal: Reptile

Family: Chelidae

Where found: South America

Conservation status: Least Concern

The mata mata is a species of freshwater turtle found in the Amazon & Orinoco Basins in South America.

This South American reptile has a bizarre appearance. Its shell is almost 1 meter in length, & both it, & the animal’s exposed skin, are heavily ridged. The species’ long neck & large head have a flattened appearance. In addition, the turtle has a long, spike-like nose.

With its ridged shell & bumpy skin, the mata mata resembles a piece of floating bark, camouflaging the reptile from both predators & prey. It can remain motionless for long periods.

The mata mata is primarily carnivorous, feeding on invertebrates & fish, & (occasionally) on other small vertebrates.

Naked Mole Rat

Scientific name: Heterocephalus glaber

Type of animal: Mammal

Family: Heterocephalidae

Where found: Africa

Conservation status: Least Concern

One of the world’s weirdest rodents is the naked mole rat, a species found in the grasslands of eastern Africa.

Famed for its bizarre appearance, the naked mole rat has wrinkled, hairless skin & large, protruding teeth.

Naked mole rats live underground in large colonies consisting of a queen & numerous worker rats. This type of social living, which resembles that seen in bee & ant colonies, is known as eusociality.

These strange rodents are known for their ability to live in low-oxygen habitats, & have been recorded as being able to survive 18 minutes in an atmosphere that lacks oxygen entirely.

Narwhal

Scientific name: Monodon monoceros

Type of animal: Mammal

Family: Monodontidae

Where found: Arctic Ocean

Conservation status: Least Concern

The narwhal is a type of toothed whale found in the Arctic Ocean. It has a distinctive appearance, with a long, spiral tusk that can grow up to 10 ft. / 3 meters in length. Only male narwhals have tusks, which are an extension of the upper left canine tooth.

Narwhals are primarily carnivorous, feeding on fish, squid, & other small aquatic animals. They are also known for their ability to navigate through thick sea ice, using their tusks to break through the ice to breathe.

The narwhal belongs to the family Monodontidae, which contains just one other living species: the beluga whale.

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Saturday, August 19, 2023

Aug. 16/2023

 

Weird Animals – A List Of The World’s Strangest Species Part 1

4/4/ 2023 by Active Wild Admin

activewild.com

Aardvark

Scientific name: Orycteropus afer

Type of animal: Mammal

Family: Orycteropodidae

Where found: Africa

Conservation status: Least Concern

The aardvark is a nocturnal mammal found in Africa south of the Sahara Desert. This weird-looking animal has a long snout, large ears, & a thick tail; all of which are adaptations for a fossorial (burrowing) lifestyle.

The aardvark is a specialized digger. It uses its powerful claws to burrow into the ground in search of its favorite food: ants & termites. It will also burrow in order to escape predators, & can dig a 2 ft deep hole in under 30 seconds.

The species has a keen sense of smell, which it uses to locate its prey. It captures its insect food with a sticky tongue that can extend up to 30 cm / 12 in.

The aardvark is a solitary animal. It is surprisingly good at swimming & an extremely fast runner.

Atretochoana Eiselti

Scientific name: Atretochoana Eiselti

Type of animal: Amphibian

Family: Typhlonectidae

Where found: South America

Conservation status: Unassessed

Caecilians are a group of amphibians with snake-like, limbless bodies. All caecilians are weird animals, but Atretochoana Eiselti, is one of the weirdest.

Found in the Amazon basin, Atretochoana Eiselti grows up to 75 cm / 30 in. long & resembles a huge earthworm with a flat head, small eyes, & ringed body.

This bizarre rainforest animal obtains oxygen through its skin, & is the world’s largest lungless vertebrate.

Little is known about Atretochoana Eiselti, but the species is believed to be a burrowing predator that feeds on small invertebrates.

Axolotl

Scientific name: Ambystoma mexicanum

Type of animal: Amphibian

Family: Ambystomatidae

Where found: North America (Mexico)

Conservation status: Critically Endangered

The axolotl is a species of salamander native to Mexico. It has a weird ability to regenerate lost body parts, such as limbs & even parts of the spinal cord. The axolotl is much-studied by scientists due to its regenerative capabilities.

The alien-looking axolotl has feather-like gills protruding from the sides of its head. Unlike many amphibians, it does not undergo metamorphosis, & remains fully aquatic even in adulthood.

Although the axolotl is a popular pet, it is extremely rare in the wild, & has the conservation status “Critically Endangered”.

Aye-Aye

Family: Daubentoniidae

Where found: Africa (Madagascar)

Conservation status: Endangered

Lemurs are a group of primates found only on the African island country of Madagascar. The aye-aye is without doubt one of the weirdest lemurs, due to its bizarre appearance & the way in which it finds food.

The aye-aye is nocturnal & primarily arboreal (tree-dwelling). It has a pointed face with large, orange eyes & large ears. It is around 60 cm / 2 ft. tall, with a tail longer than its body, & is the world’s largest nocturnal primate.

Locals believe that bad luck will befall anyone caught in the aye-aye’s gaze!

The aye-aye finds food using echolocation. It taps on tree trunks with a specialized middle finger; from the sound of the taps, it can tell if there is an insect larva buried under the bark.

Once prey has been located, the aye-aye uses its sharp teeth to gnaw a hole in the wood & its long, thin fingers to extract the insect.

Bat-Eared Fox

Scientific name: Otocyon megalotis

Type of animal: Mammal

Family: Canidae

Where found: Africa

Conservation status: Least Concern

The bat-eared fox is a small, nocturnal canid (member of the dog family, Canidae) found in the savannas & grasslands of Africa. Its extraordinarily large ears, which can grow up to 13 cm / 5.12 inches in length, are used to locate insects – the weird-looking fox’s favorite food – in the ground.

The bat-eared fox is a social animal that lives in groups of up to 15 individuals led by a dominant breeding pair.

Blue Sea Dragon

Scientific name: Glaucus atlanticus

Type of animal: Mollusk

Family: Glaucus atlanticus

Where found: Temperate & Tropical Waters Worldwide

Conservation status: Unassessed

The blue sea dragon, also known as the blue sea slug or Glaucus Atlanticus, belongs to a group of gastropod mollusks known as “sea slugs”. Found in the Atlantic & Pacific oceans, it has a distinctive blue & silver coloration, which acts as camouflage against the water’s surface.

Blue sea dragons are predators that feed on venomous creatures such as jellyfish & Portuguese man o’ war. They store the venom from their prey & use it as a defense mechanism against potential predators.

Chinese Water Deer

Scientific name: Hydropotes inermis

Type of animal: Mammal

Family: Cervidae

Where found: Asia

Conservation status: Vulnerable

The Chinese water deer is a small deer native to China & Korea. This weird mammal looks like a vampire, with a pair of long, sharp canine teeth protruding from its mouth. It is the only species of deer without antlers.

This Asian cervid (member of the deer family, Cervidae) is an excellent swimmer & well-adapted to aquatic habitats, being equipped with webbed feet & a waterproof coat. Males mark their territory with scent glands located near their eyes.

The Chinese water deer is a solitary animal & most active at dawn & dusk. Whether or not it likes garlic is unconfirmed.

Christmas Tree Worm

Scientific name: Spirobranchus giganteus

Phylum: Annelida

Family: Serpulidae

Where found: Tropical oceans worldwide

The Christmas tree worm is a type of marine worm found in tropical waters around the world.

This weird invertebrate has a distinctive appearance, with a tube-like body & 2 spirals of feathery branches.

The branches are used for feeding, filtering plankton from the water, & also for respiration.

Christmas tree worms quickly retract their branches into their tube-like bodies when threatened.

Dumbo Octopus

Genus: Grimpoteuthis

Type of animal: Mollusk

Family: Opisthoteuthidae

Where found: deep sea habitats worldwide

Dumbo octopuses are a genus of deep-sea octopuses found at depths of between 1 & 7 km / 0.6 to 4.35 miles – deeper than any other octopuses. They have a unique appearance, with a large, rounded head & 2 ear-like fins that resemble the ears of the Disney character Dumbo.

Dumbo octopuses lack the ability either to squirt ink or to change color. They hunt by trapping prey (worms, small crustaceans, & other invertebrates) in the webbing between their 8 legs.

Echidna

Type of animal: Mammal

Family: Tachyglossidae

Where found: Australia & New Guinea

An echidna, also known as a spiny anteater, is a type of monotreme mammal native to Australia & New Guinea.

Monotremes are among the weirdest of all mammals, as they lay eggs instead of giving birth to their young. There are only 5 monotremes: 4 echidnas & the platypus – another weird animal...
Echidnas have a distinctive appearance, with long snouts, spiny coats, & clawed feet.

Of the 4 living species of echidna, one is of the “short-beaked” variety; the other 3 are “long-beaked”. Each of the 4 species is listed below with its respective conservation status & the region in which it is found.

Short-Beaked Echidna Tachyglossus aculeatus – Australia & New Guinea – Least Concern

Long Beaked Echidnas
Western long-beaked echidna Zaglossus bruijni – New Guinea – Critically Endangered
Sir David’s long-beaked echidna Zaglossus attenboroughi – New Guinea – Critically Endangered
Eastern long-beaked echidna Zaglossus bartoni – New Guinea – Vulnerable

The short-beaked echidna is primarily insectivorous, using its long, sticky tongue to catch ants & termites. The long-beaked echidnas feed mainly on earthworms.

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Thursday, August 10, 2023

Aug. 9/2023

 

Deep Sleepers – Northern Elephant Seals Sleep Far Below Ocean Surface

6/13/2023 

activewild.com

A recent study into the sleeping habits of northern elephant seals has found that the huge pinnipeds sleep for just 2 hours a day – less than almost any other mammal – & that sleep takes place deep underwater, where the seal is safe from predators such as sharks & killer whales.

Northern Elephant Seal Sleep Research

Researchers from Scripps Institution of Oceanography & UC Santa Cruz monitored the seals’ diving activities by attaching neoprene caps to the animals’ heads with a removable adhesive.

Using these & other sensors, the team were able to monitor numerous aspects of a seal’s dive, including duration, depth, & stroke rate. Critically to the study, the sensors were also able to monitor the seal’s sleep state.

The researchers then combined their own data with existing data drawn from over half a million northern elephant seal dives compiled by the Costa lab at UC Santa Cruz.


Results

The team found that the northern elephant seal – while at sea* – sleeps for an average of just 2 hours per day. The only mammal known to spend as little time sleeping is the African elephant.

* Elephant seals spend up to 10 months of the year at sea, only hauling out to mate, give birth & molt.

Another interesting aspect of the northern elephant seal’s sleep patterns is that sleep occurs far below the surface.

This is presumably an anti-predation adaptation; while at or near the surface, the seals are at their most vulnerable from attacks by sharks & killer whales.

When the seals enter REM sleep, they stop swimming, turn upside-down, & gradually spin downwards. This suggests that, like ours, the seals’ movement becomes inhibited during this phase of sleep.

Data such as that revealed by the study is important in building a complete picture of the northern elephant seal’s behavior, thereby helping preserve the population of this characterful ocean mammal.

Northern Elephant Seal

The northern elephant seal is the 2nd-largest seal species; only the closely related southern elephant seal is larger. Male northern elephant seals can grow up to 4-5 meters in length & weigh between 1,500 & 2,300 kg – that’s significantly heavier than a typical compact car.

Northern elephant seals are typically found in the eastern Pacific Ocean, ranging from the Gulf of Alaska down to Baja California in Mexico.

During the breeding season, the seals migrate to select rookeries on offshore islands & certain mainland beaches.

A significant rookery for the species is the AΓ±o Nuevo State Park in California, where each winter they come ashore in large numbers to mate & give birth.

Elephant seals are carnivorous & feed mostly in deep ocean waters. Their diet is diverse, consisting primarily of fish & squid, but it can also include sharks & rays.

The seals are known to forage at depths of around 300 to 600 meters, but they are capable of diving up to 1500 meters deep & can remain submerged for more than an hour, making them one of the deepest diving pinnipeds.


How Long Do Northern Elephant Seals Spend At Sea?

Northern elephant seals spend the majority of their life at sea, undertaking 2 extended open-ocean voyages each year between their breeding & molting periods on land.

After the breeding season, they remain at sea for an average of 2-3 months before returning to shore for molting.

Following this, they embark on a longer post-molting migration that lasts 7-8 months for females & 4-5 months for males.

Males and females spend 80% & 90% of their lives in the ocean, respectively. This makes them one of the most aquatic of all pinniped species, spending up to 10 months of the year in the ocean & demonstrating an extraordinary capacity for diving & long-distance migration.


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