Tag teeth

Which is more powerful: Alligator or Crocodile?

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Which is more powerful: Alligator or Crocodile?

The Alligator and the Crocodile are both crocodilian reptiles in the Crocodilia order. The Alligator belongs to the Alligatoridae family and the Crocodile belongs to the Crocoylidae family.

The Alligator has a U-shaped snout and the Crocodile has a V-shaped snout.

The Alligator’s teeth are not visible when the mouth is closed, whereas the Crocodile’s teeth are visible when the mouth is closed. 

Both the Alligator and the Crocodile have between 74 and 80 teeth. 

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Himalayan Brown Bear

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The Himalayan Brown Bear (Ursus arctos isabellinus) is a large mammal in the Ursidae family of brown bears. It is also known as the Himalayan Red Bear, the Isabelline Bear or the Dzu-Teh. It is an ursid.

The Himalayan Brown Bear has dense sandy-brown to reddish-brown fur. It has a round head, wide skull, small ears, small eyes, and a mouth with 42 sharp teeth. It also has large, powerful paws with ten long, sharp claws.

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How does a Python eat?

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How does a Python eat? 

The jaws of a python are not like a human’s jaws. Humans cannot open their mouth very wide, but a python can.

The jaws of a python are extremely flexible because they are not fused together and they are not connected to the back of its mouth. 

A python can open its jaws so wide that it can eat a medium-sized animal whole – such as a deer, antelope, pig, cat, or dog.

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What is the difference between the Greater Guinea Pig and the Patagonian Mara?

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What is the difference between the Greater Guinea Pig (Cavia magna) and the Patagonian Mara (Dolichotis patagonum)?

Both the Greater Guinea Pig and the Patagonian Mara are large, herbivorous, rodent mammals. The Patagonian Mara is also known as the Patagonian Cavy. They are both cavids.

Both the Greater Guinea Pig and the Patagonian Mara have two large front teeth to gnaw plants.

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Baleen Whale teeth

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Baleen Whales (suborderMysticeti) are large marine (saltwater) mammals in the Cetacea family of whales, porpoises, and dolphins. They are cetaceans. 

There are 12 species of Baleen Whales including the Bowhead Whale (Balaena mysticetus), Humpback Whale (Megaptera novaeangliae), Blue Whale (Balaenoptera musculus), and Gray Whale (Eschrichtius robustus). 

Baleen Whales live in cold oceans, such as the Artic Ocean and the Antarctic Ocean. They grow up to 600-3100 centimetres (20-102 feet) long.

Baleen Whales do not have teeth. 

Baleen Whales have keratin baleen plates instead of teeth. Human hair is made of keratin. 

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Central European Wild Boar

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The Central European Wild Boar (Sus scrofa scrofa) is a medium-sized ungulate (hoofed) mammal, and a subspecies of the Wild Boar (Sus scrofa). It is also known as the Eurasian Wild Pig. Regionally, it is known as the Western Wild Boar. It is a suid.

The Central European Wild Boar is dark grey-black or rusty-brown in colour. Its fur is thick and coarse and it also has thick underwool. The male has a thin mane along his back, and the female does not have a mane. It has a high skull and a big head. It has a short, thick neck, and a hump behind its shoulders. Its eyes are small and dark. The male has canine teeth which protrude from its mouth, and the female has smaller canine teeth.

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Black Pacu

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The Black Pacu (Colossoma macropomum) is a tropical freshwater fish in the Serrasalmidae family – it is a serrasalmid fish, meaning ‘serrated salmon family.’ It is also known as the Tambaqui and the Black-Finned Pacu. It is a characin fish, like the Tetra.

The Black Pacu is similar in shape to the Piranha because it is laterally compressed with large eyes and a slightly arched back. It has molar-like teeth, similar to human teeth (not sharp teeth like the Piranha). The lower part of its body is blackish, and the rest of its body is grey, yellowish, or olive. Its fins are black.

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Common Marine Hermit Crab

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The Common Marine Hermit Crab (Pagurus bernhardus) is a saltwater aquatic decapod (10-armed) crustacean. It is also known as the Soldier Crab.

Hermit crabs include the Marine Hermit Crab, which lives in saltwater, and the Land Hermit Crab, which is terrestrial in tropical regions.

The Common Marine Hermit Crab is a crab inside a shell – its mobile home. It finds empty mollusc shells to live in. It has a long soft body – not like land crabs which have a hard exo-skeleton – which is why it looks for a hard shell to protect it. It can put its whole body inside the shell. As it grows, it looks for larger shells.

The Common Marine Hermit Crab has a spirally-curved soft body (abdomen) with a columella on the tip, which is used to hold onto the shell it occupies. It has 10 appendages (legs, called pereiopods), but two of them are claws, called nippers, pinchers, or chelipeds. Its large black compound eyes are at the end of an eyestalk. It has gills to breathe (like fish).

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Undulate Ray

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The Undulate Ray (Raja undulata) is a skate, not a ray. It is a cartilaginous fish (fish without bones, like a shark). Instead of a bony skeleton, it has cartilage, which is the same substance as the human nose and human ears.

The Undulate Ray has a flat disc-shape body, with a triangle-shaped front part (head) and nearly-round body. It is not perfectly round because it has elongated sides. It has a long tapering tail with two small dorsal fins at the end with two thorns between them. They are barbless.

It has bulging eyes that are close together and face the front. Its mouth is on its underside and is small. It has five pairs of small gills which enable it to breath underwater. It is light-brown or grey with dark bands on its tail and dark spots on its body. Its has a creamy-white underbelly.

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Okapi

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The Okapi (Okapia johnstoni) is also called the Forest Giraffe, the Congolese Giraffe or the Zebra Giraffe. It is related to the giraffe; it is a giraffid. It is a ruminant ungulate mammal – a plant eating hoofed animal. It is an artiodactyl.

The Okapi has chocolate to reddish brown fur. Its legs have white horizontal stripes with white ankles. Its face, throat, and chest are greyish white. It has a long neck and large flexible ears. Males have short ossicones (like giraffes) that are bony structures covered in hair – they are not horns. It has a long tongue.

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Oryx Teeth

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The Oryx (Oryx sp) is an antelope, which is a hoofed ruminant mammal.

Ruminants have well-developed molar teeth, which grind plant-based food – called the cud – into food balls.

The Oryx, like all antelopes, has no upper incisors. Instead, it has a hard, upper gum pad. The lower incisors use the gum pad to bite and tear grass stems and leaves.

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Carnivore Teeth and Herbivore Teeth

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What’s the difference between the teeth of carnivores and the teeth of herbivores?

 

Carnivores – or carnivorous animals – eat the flesh (meat) of other animals.

Carnivores have specialized teeth for killing an animal and tearing its raw flesh. These long, sharp teeth are called canine teeth or carnassial teeth. Some carnassial teeth are so strong that they can cut through bone.

Carnivores also have powerful jaws, a short nose, a strong neck, and powerful legs. This is because carnivores need to actively hunt and catch their prey, so they must be fast and strong.

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American Alligator

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The American Alligator (Alligator mississippiensis) is a large reptile, and also a crocodilian,  in the Alligatoridae family and Crocodilia order. Crocodiles, alligators, gharial, and caimans are all crocodilians.

The American Alligator is dark grey, black or olive-brown, with a broad U-shaped snout (nose) and sharp, triangular teeth. Its teeth are not visible when its mouth is closed. Its underbelly is creamy-yellow. It has a long tail and short legs with claws.

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