natural history notes

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Posted by Julie on August 07, 2002 at 12:08:56:

I heard about some great natural history
notes on this site and will add mine...

I made it out for a brief visit yesterday to Hunter Mountain for the first time in almost a month. The best birds were a Black Phoebe and a
Western Kingbird at a meadow & a small flock of Violet-green Swallows foraging over the cow pasture

Warm Springs Canyon (Aug 3rd, 2002)
We went out to see a bat roost the night before last (Aug 3rd). There were a couple of Common Nighthawks flying about when we arrived at 8:08pm. The bats started pouring out at 8:14 & continued doing so, in incredible numbers, until about 8:30, though there were still quite a few swarming about under the bridge after that time. An adult Red-tailed Hawk materialized at 8:16, snatched a bat out of the air & carried it off out of sight. Thereafter, Red-tails appeared at 1-2 minute intervals until 8:26. There was never more than one hawk in view at any one time, but judging from flight direction & timing of appearance, at least 2 individuals were involved & possibly more. The bats weren't all that easy
to catch, & a lot of the swoops missed, but we witnessed 3 definite kills & there may have been one or two more that we didn't see.


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