Comments on: Birds on the move http://www.woodcreeper.com/2005/10/27/birds-on-the-move-9/ We're tracking bird migration over New Jersey using Doppler radar and a community of diehard birdwatchers Mon, 14 Nov 2011 19:58:07 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Robert DeCandido, PhD http://www.woodcreeper.com/2005/10/27/birds-on-the-move-9/comment-page-1/#comment-7601 Robert DeCandido, PhD Thu, 27 Oct 2005 13:27:33 +0000 http://www.woodcreeper.com/?p=256#comment-7601 On the night of Wednesday, October 26th, clear skies and strong Northwest Winds predominated at the Observation Deck of the Empire State Building. Winds were 15-25 mph with occasional higher gusts. The night migration began at 6:56pm when a flock of 9 American Robins passed by...Robins are the only passerines I regularly see in flocks in migration at night. (And despite the high numbers of kinglets, hermit thrushes and various species of warbler, these other species are never seen migrating in flocks...."loose associations" would be a better term for most passerines moving at night.) At about 7:20pm, there was a flock of three Great Blue Herons in line formation. And the Am. Woodcock count was 7 last night. Total Count was 112 migrants for the night. The peak hour was 8-9pm when 41 migrants were counted. The flight dwindled rapidly after 9:45pm. On the night of Wednesday, October 26th, clear skies and strong Northwest Winds predominated at the Observation Deck of the Empire State Building. Winds were 15-25 mph with occasional higher gusts.

The night migration began at 6:56pm when a flock of 9 American Robins passed by…Robins are the only passerines I regularly see in flocks in migration at night. (And despite the high numbers of kinglets, hermit thrushes and various species of warbler, these other species are never seen migrating in flocks….”loose associations” would be a better term for most passerines moving at night.) At about 7:20pm, there was a flock of three Great Blue Herons in line formation. And the Am. Woodcock count was 7 last night.

Total Count was 112 migrants for the night. The peak hour was 8-9pm when 41 migrants were counted. The flight dwindled rapidly after 9:45pm.

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