bird migration

In the Northern Hemisphere autumn is underway and many birds are making their way back to warmer climates to overwinter in areas with increased prey availability. Many of the bird species that migrate are aerial foragers and waders, migrating between warm areas because their main food source, insects and crustaceans, are more active and abundant…


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By Rebecca Bentzen The air is filled with the sounds of wings clicking together as thousands of eiders migrate in closely packed flocks on their way to breeding grounds on the Arctic Coastal Plain. Their wings strike each other and rustle as the birds fly low in an undulating formation that stretches as far as…

Changing Planet

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