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Raptor Migration Worldwide by Bill Clark

February 15, 2023 @ 12:00 pm - 1:00 pm

More than half of the World’s species of diurnal raptors perform annual migrations, especially those populations in higher northern and southern latitudes. However, the entire population migrates in only a few species. Beginning with North America, Bill Clark will show photographs of and discuss some of the locations on five continents where people regularly gather to count raptors. He will show many of the raptors counted at each site, present some count data, and give some of his personal experiences at many of these sites. Some count sites differ in how the raptors pass. He will use many maps from Raptor Watch and present some data from Migration Ecology of Birds.
Bill Clark is a photographer, author, researcher, and lecturer and has over 50 years experience working with birds of prey, including 5 years as Director of NWF’s Raptor Information Center. He has published numerous articles on raptor subjects; has traveled extensively world-wide studying, observing, and photographing raptors; and regularly led raptor and birding tours and workshops, both home and abroad, with Raptours, which is now being run by his colleague, Sergio Seipke. Bill is a recent addition to the HMANA board of directors.
He has been living in the Rio Grande Valley since 2002. He regularly teaches evening and weekend courses on raptor field identification and biology and frequently presents lectures on raptor subjects.
Bill has written a raptor field guide for Europe, another for Mexico and Central America and yet another for Africa. He is a coauthor of the Photographic Guide to North American Raptors and the completely revised Peterson series guide, Hawks.
This program is FREE but registration through Zoom is required to get the link to join.
For those that cannot connect via zoom, we will stream the program LIVE on our Facebook page.


February 15, 2023
12:00 pm - 1:00 pm


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