Killer Whales
葡萄沟教案
Common name: Killer Whale
Scientific name: 梁城Orcinus orca
∙ Size:
Females can reach lengths up to 24 feet and weigh between 3,000 to 8,000 lb. Males can reach lengths up to 27 feet and can weigh up to 12,000 lb. Calves are about 8 feet long and 300 to 400 pounds at birth.
悲愤填膺
∙ Where are they found?
From the North Pole to the South Pole from the Indian Ocean to the Atlantic, killer whales are found in all oceans of the world.
∙ What do they eat?
How do you get a name like "killer whale?" Killer whales are one of the top predators in the a. As a group, killer whales are known to eat fish, squid, als, a lions, penguins, even other whales.
焦糖奶茶怎么做But, keep in mind, it would be difficult for a killer whale off the coast of California to eat a penguin. Killer whales eat the food (or prey) that's available to them. For example, a killer whale that lives in the northern Pacific can hunt harbor als, California a lions, and a variety of fish. A killer whale in the Antarctic could find Weddell als, leopard als, and penguins!
小乌贼Rearchers studying killer whales in the Pacific Northwest have found that some pods feed primarily on fish and others em to prefer marine mammals.
A killer whales us its sharp teeth to catch its prey. Killer Whales are toothed whales
∙ Killer Whale Highlights:
前赤壁赋原文及翻译
Scientists have determined that killer whales can live a maximum of 35 years. How? By looking at a cross-ction of a killer whale's tooth. Killer whales, lik认识交通标志e other marine mammals, produce a periodic growth layer on the teeth. By counting the layers, scientists can estimate the animal's age.
You can tell an adult male from an adult female by the shape of their dorsal fin. This is a male (photo right), how do we know? A male's fin is very tall (up to 6 feet tall) and triangular shaped. A female is shorter (3 feet) and curves back toward the dorsal fin (e the picture of the mother/calf above.)
今天是什么情人节
