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Writing in the Journal of Avian Biology in 2003, Van Remsen theorized: [T]he bill may exert more influence on our cognitive perception because of its proximity to the bird’s face. These are neither sparrows, nor finches, but tanagers. Odd little grassquits singing from power lines in South America’s great cities.
I purchased my first Sibley— The Sibley Field Guide to Birds of Eastern North America —in 2003. Here’s a look at Sibley Birds East and Sibley Birds West (the books’ cover titles), feature by feature: Size & Cover: The new field guides are the roughly the same size as the 2003 editions, a bit higher, wider, and heavier.
Whether I am speaking about Henslow’s Sparrows and Upland Sandpipers of the east and Midwest that occupy tall-grass prairies or birds like Ferruginous Hawks and Mountain Plovers of the western short-grass prairies; all deserve our attention. This was back in 2003 so it is hard to say where those numbers fall now.
Laurent Fournier Mar 17th, 2011 at 11:49 am Would the white throated sparrow qualify for this? Laurent, I cannot find anything on White-throated Sparrows being polygynandrous. In fact, that gives me an idea; maybe I should do something of an interview with a cooperative breeding specialist. That would be mighty interesting.
But, I didn’t expect that Henslow’s Sparrow would have a page-full repertory of sounds: Song (3 different types), Whine series, Seet series, Seet and Tseew night calls, Tink calls and Tsit calls. It includes sounds made by American Goldfinch, Bachman’s Sparrow, Hooded Warbler, Magnolia Warbler, and Red-winged Blackbird.
One thing that had changed since my 2003 trip was that Rosy-faced Lovebird was on the ABA Checklist (and that I knew what that was). Plus, great looks at Cassin’s and Botteri’s Sparrows, Grace’s Warbler, Blue-throated Hummingbird (including a nest), and Antelope Jackrabbits (not a bird). And, Montezuma Quail.
Herzog, a German-born ornithologist who has been working in Bolivia since 1994, is Scientific Director of Asociación Armonía, the BirdLife organization of Bolivia, and has written numerous scientific papers on Bolivian birds, plus coauthoring the 5th edition of the Annotated Checklist of the Birds of Bolivia (2003).
I’ve seen mourning behavior in a longterm captive Savannah Sparrow whose temporary cagemate, a dark-eyed junco, recovered from its wing injury and was released. When the junco was released, the Savannah Sparrow called frantically, became greatly agitated, then quit eating and sat, silent and still, on his perch for two days.
And with trees come birds and sure enough even on downtown streets you have a chance to see birds beyond the usual American urban trifecta of European Starlings , House Sparrows , and Rock Pigeons. White-crowned Sparrow Zonotrichia leucophrys at the Olympic Sculpture Park On to the birds!
For this and a few other species, a 2003 paper tries to estimate this effect and concludes that depending on which of two scenarios will occur, the range reduction will be 79.8-80.4% This applies even more so to the Eurasian Tree Sparrow. (Third note: no more notes. Let’s move to the birds).
Sometimes, I’ll reply with a story about the sparrows found in a local grasslands preserve. Wheeler (Houghton Mifflin, 2001), and A Photographic Guide to North American Raptors (Wheeler and Clark, Princeton University Press, 2003), and you have a whole lot of excellent hawk identification books and field guides. Clark and Brian K.
Donna was first amongst beats to reach North Dakota and brought the number of Lower 48s to 32, adding Sharp-tailed Grouse , Sprague’s Pipit and LeConte’s Sparrow to the life list. LeConte’s Sparrow – Ammodramus leconteii. Baird’s Sparrow – Ammodramus bairdii. Still all mainland though.
Stamper presents a compelling argument that the time between the 10th (1993) and 11th (2003) editions of the Collegiate was barely enough time to methodically wade through mountains of material in the English language to: (1) add new words, and (2) update all of the definitions of existing words.
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