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Blue Whales By Cullen Deloach
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Written, Researched, and Illustrated By Cullen Deloach
Table of Contents
Page 3-3 The Blue Whale Description
Page 4-4 Physical and Behavioral Adaptations
Page 5-5 The Ocean Ecosystem
Page 6-6 The Blue Whale Habitat
Page 7-7 Fun Facts
Page 9-9 Map of where Blue Whales live
Page 8-8 Photographs
Page 10-10 Resources
The Blue Whale Description
Blue whale swimming in water
The blue whale reaches lengths of 110 feet and can weigh up to 209 tons.
Blue whales have a long streamlined body, a wide head, huge flippers, a strong tail , and a small dorsal fin.
Blue whales don't have teeth but they have baleen, a fibrous material to filter their food.
Blue whale jumping out of water
The blue whale's skin feels smooth, slippery, wet rubber and their pale bluish grey color give the their name.
The blue whale has an enormous spout that allows them to shoot out water to breathe.
Blue Whale Behavioral and Physical Adaptations
Blue whales are the largest animal to ever exist. A blue whale's heart can weigh up to 1,300 pounds. A blue whale's tongue can weigh up to an elephant. Blue whales eat up to 8 tons of krill. Blue whales use clicks, whistles, and pulsed calls to communicate with each other. The blue whale cry can be louder than a jet engine. On long migrations blue whales are known to fast for four months and live off of stored body fat. The blue whale's niche is they keep krill in balance which allows plankton to thrive and keeps the ecosystem in balance.
The Blue Whale Ecosystem
Blue whales are endangered and they have a population of no more than 25,000. Blue whales live in the Pacific ocean, Atlantic ocean, Indian ocean, and the Southern ocean. Blue whales swim in pods. Blue whales don't live in the Arctic ocean. Blue whales are carnivorous and are a consumer. Blue whales mostly eat krill. Killer whales are at times the predator of blue whale calves but they usually only eat dolphins, and seals. Blue whales sit on top of the food chain.
Habitat
Blue whales live in the Pacific Ocean, Indian Ocean, Southern Ocean, and the Atlantic Ocean. Blue whales live in the twilight zone. Blue whales are filter feeders.