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How do scientists learn where the hummingbirds from one state or province migrate for the winter?

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How do scientists learn where the hummingbirds from one state or province migrate for the winter?

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Scientists study bird banding data in hopes of learning where hummers go. They put thousands of numbered bands on hummer legs, but very few hummingbird banders have ever found out what happens to birds they’ve banded. It takes a long time to amass enough data for them to draw accurate conclusions. Meanwhile, hummers may change some of their migration patterns, making the research even more complicated. Q. How do we participate in the Journey North Hummingbird Migration Study? 1. Report when your Hummingbird feeder is up. As soon as you place your hummingbird feeder outside, report to Journey North. Now you’re ready to watch for your first hummers! 2. Report the FIRST Hummingbird you see this spring. Let us know when your Rufous or Ruby-throated Hummingbird safely arrives after its long migration. 3. Report “leaf-out” of your trees. Here’s why: For many small bird species, the timing of spring migration may be related to leaf-out. This is because when leaves emerge, so do lots of insect

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