Animal Migration and Navigation Facts

The video explores the fascinating world of animal migration, highlighting the incredible journeys of various species. It begins with an overview of migration reasons, focusing on escaping harsh winters. The Western Grey Whale's record-breaking 14,000-mile journey is detailed, followed by the caribou's land migration and the monarch butterfly's flight. Bird migrations are discussed, with the arctic tern's 44,000-mile trip and the blackpoll warbler's non-stop flight. The video concludes with insights into how birds navigate using Earth's magnetic field.

What is the primary reason many animals migrate?

• To escape predators

• To explore new territories

• To avoid winter

• To find new habitats

How far did the Western Grey Whale named Varvara travel during her migration?

• 20,000 miles

• 5,000 miles

• 14,000 miles

• 10,000 miles

What is the approximate size of the Porcupine caribou herd?

• 169,000 animals

• 100,000 animals

• 50,000 animals

• 200,000 animals

What is a significant threat to the monarch butterfly population?

• Habitat destruction

• Lack of food sources

• Predation by birds

• Increased competition

Which bird holds the record for the longest migration?

• Northern wheatear

• Blackpoll warbler

• Arctic tern

• Sooty shearwater

How far does the blackpoll warbler fly non-stop during its migration?

• 1,500 miles

• 1,000 miles

• 2,500 miles

• 2,000 miles

What is the longest non-stop flight recorded for any bird?

• 6,000 miles

• 8,000 miles

• 7,000 miles

• 5,000 miles

What helps birds navigate during their long migrations?

• The Earth's magnetic field

• The sound of the ocean

• The direction of the wind

• The position of the moon

What protein is thought to help birds sense the Earth's magnetic field?

• Hemoglobin

• Cryptochrome

• Myoglobin

• Ferritin

What triggers the electron spin in the cryptochrome protein?

• Ultraviolet light

• Infrared light

• Blue or green light

• Red light