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THE FORUM
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20-Apr-23, 06:10:52 AM
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391
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Other Nature Related Information / General Nature Discussion / Re: The ABCs of Birding-G-
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on: 13-Nov-10, 12:52:52 AM
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G is for Great Gray Owl -- we counted ourselves extraordinarily lucky to run into a traffic jam one June day in Yellowstone, assuming it was caused by a bear sighting, only to discover that it was caused by this beautiful owl.
S/he was just sitting by the road watching the endless stream of people getting out of their cars to gawk.
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396
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Other Nature Related Information / General Nature Discussion / Re: The ABCs of Birds - F
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on: 11-Nov-10, 01:29:14 AM
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F is for Finch...there are many different finches, but the photos below show two of the finches collectively known as "Darwin's Finches", since they formed part of the evidence Charles Darwin used when describing how species evolve through natural selection/adaptation.
The first photo is a Vampire Finch. This bird is a subspecies of the Sharp-beaked Ground Finch in the Galapagos.
Excerpted from Wikipedia: "This bird is most famous for its unusual diet. The Vampire Finch occasionally feeds by drinking the blood of other birds, chiefly the Nazca and Blue-footed Boobies, pecking at their skin with their sharp beaks until blood is drawn (Schluter & Grant 1984). Curiously, the boobies do not offer much resistance against this. "
The second photo is another species of Darwin's Finch, but I don't know which one...
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397
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Other Nature Related Information / General Nature Discussion / The ABCs of Birds - F
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on: 11-Nov-10, 01:17:02 AM
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Woo-hoo, after midnight in the Eastern US!
I'm excited to start the letter F because F is for Frigatebird, and I have two lovely shots of a male Great Frigatebird.
We took these in the Galapagos. The first photo shows the male doing his courtship display...he puffs out his chest, flaps his wings, and utters a strange call when any female flys overhead.
The second photo shows a male incubating eggs.
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399
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Other Nature Related Information / General Nature Discussion / Re: The ABCs of Birds - E
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on: 10-Nov-10, 08:10:50 PM
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E is for Espanola Mockingbird...this is a mockingbird that only lives one place: on the island of Espanola in the Galapagos. We took both of these photos there. The second photo illustrates the fact that Galapagos birds are very tame, since the islands are free of land predators (including humans, until fairly recently, in evolutionary time).
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403
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Other Nature Related Information / General Nature Discussion / Re: Bird ABCs - D
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on: 07-Nov-10, 09:06:13 PM
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Mourning Dove.. (Zenaida macroura) Cool fact: Mourning Doves feed their nestlings crop milk or "pigeon milk," which is secreted by the crop lining. This is an extremely nutritious food with more protein and fat than is found in either cow or human milk. Crop milk, which is regurgitated by both adults, is the exclusive food of hatchlings for three days, after which it is gradually replaced by a diet of seeds.
I thought I'd share one of the photos of our backyard Mourning Doves...we hosted a nesting pair for several years until one of the pair was killed. We don't know if a car, cat, or Cooper's Hawk got it; we found it dead in the alley one spring after nest-building had started, then nest building promptly stopped, so we're pretty sure it was a member of our nesting pair that was killed. A squirrel started using the nest platform for a shelter, and no Mourning Doves have since used the platform...very sad. But this is a photo of one of the young'uns with the second one hidden behind its parent.
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405
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Other Nature Related Information / General Nature Discussion / Re: Bird ABCs - D
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on: 07-Nov-10, 08:52:30 PM
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but, Patti...his feet are all wet!
Yes, I could have posted the photo with his entire head underwater, but then you wouldn't have been able to see much of him. OK...having had another burst of motivation, I decided to post the picture of the American Dipper in fishing mode:
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