| This week we continue to see the abnormal ruby- throated migration pattern.
Sightings of those early spring risk-takers, that took advantage of strong southerly winds last month, are still being reported. Temperatures have cooled, but rubythroats can handle some cold for short periods.
Meanwhile the bulk of the migration is following a more common pattern with the leading edge in Kansas, Kentucky, and Maryland.
Compare 2012 with a more "normal" migration in 2011 (to the right).
Rufous have reached Alaska! Feeders were up and ready, and fresh migrants were sighted in 2 coastal towns this week—Wrangell, and Sitka.
The rufous migration is starting to push east, too. A rufous was sighted east of the Cascade Mountains in Washington state, "...about a week later than normal." A welcome rufous was sighted in Zigzag, Washington, a welcome sight where they've had an "unbelievably wet" spring full of rain and snow.
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| 2012 Migration |
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| 2011 Migration |
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| Credit: John Doerper |
| Bellingham, WA |
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Male hummers
heading north have no choice in the matter. They have an overwhelming
urge to set up territories, defend food sources, and more. And that's no easy task! Discover why.
- Slideshow: Make Way for Nesting: A Tale of Territories, Thieves, and Courtship
- Handout
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