Introduction to Whales Five Characteristics of Mammals 1

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Introduction to Whales

Introduction to Whales

Five Characteristics of Mammals: 1. Warm Blooded 2. Breathe Air 3. Give live birth

Five Characteristics of Mammals: 1. Warm Blooded 2. Breathe Air 3. Give live birth 4. Nurse their young 5. Have hair at birth

Whales are divided into Two Sub-orders: 1) those with teeth 2) those with baleen

Whales are divided into Two Sub-orders: 1) those with teeth 2) those with baleen Baleen- material similar to protein found in human hair and fingernails. Works like a strainer to trap plankton.

Parts of a Whale: a) rostrum - beaklike or snoutlike projection b) flukes -

Parts of a Whale: a) rostrum - beaklike or snoutlike projection b) flukes - lobes of the tail c) dorsal fin d) melon e) blowhole See next slide

Baleen whales have 2 66 species Toothed whales have 1 10 species

Baleen whales have 2 66 species Toothed whales have 1 10 species

Pod – a social group of whales Baleen whales travel alone or in small

Pod – a social group of whales Baleen whales travel alone or in small pods Toothed whales travel in large podshunt together, migrate together, share care of their young

Echolocation - the process by which a whale produces sounds that travel through the

Echolocation - the process by which a whale produces sounds that travel through the water and then listens for the echoes to bounce back.

4 Activities of Whales: a) breaching jump high out of the water - and

4 Activities of Whales: a) breaching jump high out of the water - and slap the water as they come back down b) spyhopping -whale pokes its head out of water and turns around c) lobtailing d) logging - Stick its tail out of the water, swing it around and slap it on the water’s surface. Makes a very loud sound which warns the rest of the pod of danger

Blue Whale- largest animal height of a 9 story building, 100 ft long, 150

Blue Whale- largest animal height of a 9 story building, 100 ft long, 150 tons, eats nine tons of krill each day