High Five Facts - Birds Choca Esos Cinco - Aves

The video presents five fascinating facts about birds. It explains how hollow bones help birds fly and breathe efficiently, except for penguins, which have dense bones for diving. The bee hummingbird, the smallest bird, is known for its rapid wing flaps. Birds use bright colors for mating and dominance, with bearded vultures even dyeing their feathers. Carrier pigeons played a crucial role in communication during WWI. Lastly, birds group together at night to keep warm, a behavior seen in penguins and starlings.

What role did carrier pigeons play during World War I?

Describe the behavior of starlings at dusk.