Baleen Whale teeth

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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Pelage and Pelt

 What is pelage and pelt?

Pelage is the collective term for hair, fur, wool or other soft covering of a mammal. It is the complete coat.

Pelt is the skin of an animal, with the hair or wool or fur still attached, which has been processed into leather.

What are hackles?

What are hackles?

Hackles are long, slender, often glossy feathers on the neck of a bird, especially a male fowl.

Hackles are also the hairs along the back of the neck and backbone of an animal, especially a dog.

When an animal or bird raises its hackles, it is an involuntary action to express communication, such as cold, fear, excitement, anxiety, aggression, nervousness, or uncertainty.

Photographer: Martina Nicolls

Martina Nicolls: SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM