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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

[b]Ruby-throated Hummingbirds in Costa Rica[b] (1 Viewer)

billhiltonjr

Registered Member
Ruby-throated Hummingbirds in Costa Rica

Nearly all Ruby-throated Hummingbirds that breed in the U.S. and Canada depart for Mexico and Central America each fall, but they've not been well-studied on their wintering grounds.

We've just returned from Guanacaste Province, Costa Rica, where we banded an unprecedented number of ruby-throats through through Hilton Pond Center for Piedmont Natural History and "Operation RubyThroat: The Hummingbird Project."

For a summary of our observations and hummingbird banding work in Costa Rica, please visit "This Week at Hilton Pond" for 2-21 February 2006 at http://www.hiltonpond.org/ThisWeek060208.html

I'm happy to respond to your questions or comments via BirdForum.

Happy (Tropical) Nature Watching!

BILL
 
Last edited:
billhiltonjr said:
Nearly all Ruby-throated Hummingbirds that breed in the U.S. and Canada depart for Mexico and Central America each fall, but they've not been well-studied on their wintering grounds.

We've just returned from Guanacaste Province, Costa Rica, where we banded an unprecedented number of ruby-throats through through Hilton Pond Center for Piedmont Natural History and "Operation RubyThroat: The Hummingbird Project."

For a summary of our observations and hummingbird banding work in Costa Rica, please visit "This Week at Hilton Pond" for 2-21 February 2006 at http://www.hiltonpond.org/ThisWeek060208.html

I'm happy to respond to your questions or comments via BirdForum.

Happy (Tropical) Nature Watching!

BILL


Bill, how long will that blue dye last? I'm hoping to see a blue-throated Ruby at my feeders this year.
 
crickieheather said:
Bill, how long will that blue dye last? I'm hoping to see a blue-throated Ruby at my feeders this year.

The dye is rather short-lived and wears off from preening and/or rain in a couple of months. If you live in the southern U.S. you stand a chance of seeing a RTHU with blue, but if you're north of Hilton Pond Center for Piedmont Natural History (York SC), you're more liklely to see one of my green-marked birds.

Best wishes,

BILL
 
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