rufous hummingbird Tag

01 Feb

Posted at 12:00h in WHP Projects
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Rufous hummingbirds (Selasphorus rufus) have shown consistent declines in abundance since 1970, with an acceleration in this trend starting in the mid-2000s.Demographic data is needed to isolate possible drivers. We employ mark-recapture data to calculate sex-specific adult apparent annual survival, accounting for residency probability, within the coastal...

15 Jun

Posted at 12:00h in WHP Projects
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Gwen Baluss, USFS, Alaska: The Rufous Hummingbird is Alaska’s only regularly seen hummingbird. Making an annual trip from as far south as Oaxaca State, Mexico and back, the species tops the charts for migration versus size in the bird world. It is a tough traveler, but...

14 Jun

Posted at 12:00h in WHP Projects
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Between the icebergs and whale sightings, not many people visiting Alaska would notice the lack of Rufous Hummingbirds during the time that they are supposed to be abundant. But this is what Sarahy Contreras is working to change – her most recent project consists of...