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Vagrancy in Birds: A Book Review

10,000 Birds

Today’s vagrant could be tomorrow’s resident, a change that is visibly happening with, for example, the Clay-colored Thrush in southern Texas. There are many more factors than I imagined: compass errors, wind drift, overshooting, extreme weather and irruptions, natural dispersal, and human-driven vagrancy.

Birds 255
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SeaWorld Saves Some Sandhills

10,000 Birds

However, many of the professionals who work at places like these exhibit enormous compassion for animals. Two recent non-marine examples both include Sandhill Cranes. SeaWorld and similar attractions that serve up cetacean entertainment to the masses don’t do that much for me.

Rescue 166
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Licking Clay: the Macaws of Tambopata, Peru

10,000 Birds

The thousands of hours of observations that have been added up over the years would not have been possible without the help of the many volunteers and assistants who have offered their time and energy in the cause of science and conservation. Volunteers are one of the most important aspects to the project. Thanks for visiting!

Peru 254
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A Problem with Gulls

10,000 Birds

Some have proposed that the Larus gulls were an example of a ring species proposed by the late great Ernst Mayr, but that conclusion has been disputed (convincingly, I would say). OpticsPlanet - Great prices on binoculars for birding , spotting scopes , telescopes , flashlights , compasses & more! Thanks for visiting!

2011 157
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A Question of Migration

10,000 Birds

It turns out that humans without compasses make no use of magnetic fields.) They conclude, provisionally, … that, perhaps apart from a capacity for night-time compass orientation, there is little evidence for deeply rooted coadapted trait complexes that could make up such a migratory syndrome, is suggested. 2 PIERSMA, T.,

Research 187
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ACTION ALERT! Tomorrow, MARCH 15, 2011, is the deadline for public.

10,000 Birds

I would encourage the KDFW to take Tennessee’s example as an indication that offering sandhill cranes for hunting will create far more public relations trouble than it’s worth. OpticsPlanet - Great prices on binoculars for birding , spotting scopes , telescopes , flashlights , compasses & more! Thanks for visiting!

2011 239
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The Nonessential Whooping Crane

10,000 Birds

My friend Vickie Henderson , who has some serious long-range vision, looked at the science behind Tennessee’s crane hunting proposal and found it badly wanting. Ask the proposing states to follow Nebraska’s example, to let them, and their big, desperately imperiled white cousins, alone. Here’s the petition. Thanks for visiting!

2011 239