Science

footloose

February 25, 2006

in Natural history

I don’t spend a lot of time thinking about millipedes, even though there are an estimated 80,000 species on earth (only 10,000 named), with about 1,400 in the U.S. As a gardener and someone who is fond of peeking under…

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Over the weekend, an Ivory Gull (Pagophila eburnea) was found near Point Pelee, Ontario. The sighting of one of these birds in the United States always creates a sensation, because it is a bird of the high Arctic, and fewer…

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brown creeper

January 6, 2006

in Birds, Natural history

crisp brown leaf, wind-blown flake of bark, falling from tree nope, wrong: brown creeper The diminutive Brown Creeper (Certhia americana) is notorious for being unobtrusive. Even the creeper’s sweet, clear, musical song can be frustratingly difficult to hear due to…

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This past week I participated in one of several Christmas Bird Counts that I do annually. I’ve done counts here in Michigan on sunny, cloudy, snowy, rainy, raw, and balmy days, but never on a day that included all of…

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This is Christmas Bird Count (CBC) season, the roughly three-week period at the end of each year where teams of determined folks do single-day bird surveys of established 15-mile diameter circles (history here). Typically, participants are given a photocopy of…

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The Auk is the journal of the American Ornithologists’€™ Union, and it publishes some pretty dense material. The last few years, it has featured an increasing number of papers on phylogeny, taxonomy, and genetics. This stuff tends to sail right…

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I am, at long last, concluding the cowbird/ Kirtland’s Warbler series: what is the future of Kirtland’s Warblers?

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kirtland’s warbler 101

December 7, 2005

in Birds, Science

An introduction to Kirtland’s Warbler.

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Cowbird control has been credited with saving some rare bird species. But is it really the cure-all that the public thinks it is?

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The December 2005 issue of the journal Conservation Biology has a paper on a topic near and dear to my heart (heh-heh): deer overpopulation. In case you missed previous installments, there was the overview of the ecological problems of too…

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