5 Amazing Ways How Birds Prepare for Migration | North America #Video

One of the most amazing things about birds is their migration. It takes a great deal of energy to fly hundreds or sometimes thousands of miles in a short span between breeding grounds and wintering grounds. Our feathered friends transform their bodies in incredible ways to make this happen and it all takes place just weeks before departure. Some of these fascinating changes include things like shrinking internal organs and sleeping while in flight.

So let's delve into some remarkable transformations our avian buddies go through to make the long journey.

00:00:43 Double body weight
00:02:40 Change internal organs
00:03:58 Reduce sleep significantly
00:05:06 Consume their own muscles
00:06:06 Revert to their previous form

Birds mentioned in this video:
Ruby-throated Hummingbird, Bar-tailed Godwit, Blackpoll Warbler, Swainson’s Thrush.

Photos and videos from free use websites:
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