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Monarch PEAK Migration

Date: 10/13/2015

Number: 88

Migration front arrived one hour after mild weather front from north. Rough estimate of numbers: 3-400 per hour. Was finally able to make a timed count at 6:17 p.m. 88 monarchs in 26 minutes.

Maverick County late: 6:17 to 6:43 had 88 monarchs coming through in 26 minutes. 88 degrees, no wind at all. 41% humidity. Bit of a heat index. Mosquitoes, hummingbirds, Couche's kingbirds, LOTS of scissor tails (also migrating). Up just back of the bluff above the Rio Grande. Monarchs definitely crossing into Mexico today!

This was the lightest and thinnest numbers I've seen in years. I'll count again early in the morning when they lift off to see what those numbers are scattered all over town.

Will also go out and check for clusters around midnight tonight. Still observing some settling among the trees above the bluff.

Eagle Pass, TX

Latitude: 28.5 Longitude: -100.5

Observed by: Carol
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