Facts About Birds Crossword Puzzle

Facts About Birds

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Birds are endothermic, meaning warm ____

The ___can move its head to see behind him

A bird's ____weigh more than its skeleton

Feathers facilitate flight, insulation and _____

Birds can be found on every ___

The ___ builds the largest tree nest (2 words)

The only wingless bird in the world is the ____

Birds evolved from small meat-eating ____

Ostriches and ___are birds that don't fly.

75% of wild birds ___before they are 6 months old

Bird's bones are ____

Birds are vertebrates, meaning they have a ___

The Australian ___has the longest bill in the world

The smallest bird in the world is the _____

A group of crows is called a ____

Coal miners used ____to detect carbon monoxide

The hummingbird is the only bird that can fly ____

A woodpecker can peck ____times per second

The ___is the largest of all birds

Birds communicate through calls and ____

Answer