conservation 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...

28 May

Posted at 12:00h in WHP Projects
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Viridiana Orona, a 2021 Mosaics in Science intern, will be working on a pollinator project at Saguaro National Park in Arizona. Mosaics in Science is a diversity internship program and partnership of Environment for the Americas that gives opportunities for young adults to learn from and work...

15 Jun

Posted at 12:50h in WHP Projects
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To inform future restoration efforts, we reviewed the known effects of fire and habitat management and restoration on hummingbirds in four key habitat types in North America. We examined seven species that most commonly occur west of the Rocky Mountains: Rufous (Selasphorus rufus), Calliope (Selasphorus...

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...