This March 2017 video from the USA says about itself:
Bird Migration in North America
An overview on how and why birds migrate, including species such as the Yellow Warbler and the Woodthrush, as well as challenges migratory birds face today. This educational video was completed for ‘Birds Ecosystems and People’ at Allegheny College.
From Cornell University in the USA:
Scientists use eBird data to propose optimal bird conservation plan
The goal is to conserve habitat and protect migratory birds
April 15, 2019
A new paper published today in the journal Nature Communications shows a blueprint for conserving enough habitat to protect the populations of almost one-third of the warblers, orioles, tanagers, and other birds that migrate among the Americas throughout the year.
For the research, an international team of scientists used the Cornell Lab of Ornithology’s global citizen science database, eBird, to calculate how to sufficiently…
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