Subject: [Tweeters] Swifts Believe It or Not-Part 3
Date: Sep 15 17:34:07 2005
From: Larry Schwitters - lpatters at ix.netcom.com


Mother nature takes care of her own.

> Swifts are physiologically adapted to spend much of their day flying
> at high altitudes. Their hemoglobin is different from other bird
> families and is designed to deliver high levels of oxygen at low
> oxygen pressure.

> (Campbell and Lack, 1985; Chantler and Driessens, 2000; Chantler,
> 1999; Collins, 2001; Payne, 2003; Sibley and Ahlquist, 1990)

Larry Schwitters
Issaquah
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