What is the typical timeframe identified as the prime viewing window for observing the main wave of southbound migration along North American coasts?
Answer
Early to mid-August
Coastal birdwatchers aiming to see the bulk of the Sabine’s Gull population moving south must target a very specific and narrow timeframe. While the overall southward migration begins in late July and continues through August or early September, the peak passage, or main wave, occurs earlier. If observers wait until mid-to-late September, the majority of the population will have already departed for their equatorial wintering grounds. Therefore, precision is required, making the window spanning early to mid-August often the superior opportunity to witness large numbers traveling past coastal viewing points along major flyways.
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Xeme Facts: Sabine's Gull (Xema) 𓅰 Animal Fact Files - YouTube
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