Hummingbird Update: March 20, 2013 |
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Over 85 new sighting reports appeared on the maps this week. Which will be the first to arrive at your feeder—a male or a female? It's time to celebrate spring's arrival and welcome hummingbirds back in the north!
This Update Includes:
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Image of the Week | |||||||||
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News: First Arrivals | ||||||||||
Most of the new sightings are males on their way to claim territory. Females arrive a week or two later, when more flower nectar and
insects are likely to be available. This adaptation saves her energy for nesting.
Rufous and Anna's Meet in Washington Competition at an Alabama Feeder First Rufous in Philomath |
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Slideshow: Why Do Rufous Seem Far Ahead? | ||||||||||
How
can rufous hummingbirds be entering Canada when rubythroats are
still gathered in the southern United States? Are the rufous hummers
faster or more eager? Let's explore migration with today's slideshow and journal.
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Slideshow |
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Maps: Who's Seeing Hummingbirds? | ||||||||||
Ruby-throated hummingbird migrants have already been sighted in 11 states. Look for patterns and predict which states they'll move into this week. | ||||||||||
Ruby-throated (map | animation | sightings) |
Rufous (map | animation | sightings) |
Other (map | animation | sightings) |
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Next Update March 27, 2013. | ||||||||||