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linthicum wrote: duc, I've just sent an e-mail to someone working at the Cornell Lab of Ornithology who had posted a recent article on another website and did the same thing. I'll let you know what he says if he responds to my e-mail.
In the meantime, I have read that they can determine the levels of arsenic from clipped toenails. Here is an excerpt from another article that I read:
"Arsenic occurs naturally in the environment and people can be exposed to it in several ways, for example through contaminated water, food, dust or soil. The risk of exposure is greater in certain areas where the natural geology and historic mining activities have led to widespread contamination of the environment with arsenic. Long term exposure to arsenic is associated with increases in lung, liver, bladder and kidney cancers and skin growths".
So, I'm not sure if that is the reason they clipped the Warbler toenails. If so, he could have clipped my toenail, also ??
Anyway, here's the Black & White Warbler with a slightly different pose.
