This weekend Paul Slingsby and I led a group of RMBO ColonyWatch volunteers on a survey of North Park water bird colonies at multiple ponds/locations. Here are the highlights:
-- June 28:
Walden Reservoir. Water level was high.
Great Egret 2
Eared Grebe 413 birds. Some nests in cattails, but little open water nesting yet
Western Grebe 75
Double-crested Cormorant 27 adults and at least 13 young
American White Pelican 40 (few if any nesting here this year)
Snowy Egret - as many as 3-5 nesting including young in one nest
Black-crowned Night Heron - several on nests
White-faced Ibis - 101 on evening flight line count of birds heading to nesting colony or evening roost
California Gull 318 including young (count probably low)
Forster's Terns 33 at colony
CR 18 between Tointon Ranch and Delaney Buttes
Sandhill Crane 6 (several dancing)
Lake John
Red-necked Grebe 1 still on nest in sedges. 2nd bird in open water. (If you plan to visit this nest, call or email for directions.)
Clark's Grebe 1 seen this date at Western Grebe colony; 4 seen earlier this month and again on the 29th by Lee and Linda Farrell
June 29
18 Island Reservoir
Eared Grebe 134 (a few building nests and a few on)
Western Willet 8
White-faced Ibis 17
Lesser Yellowlegs 1
Marbled Godwit 4
Prairie Falcon 1
Remains of 2 Green-winged Teal apparently killed, plucked and consumed by a falcon or accipiter leaving behind one leg band.
--
Chuck Hundertmark
2546 Lake Meadow Drive
Lafayette, CO 80026
303-604-0531
Cell: 720-771-8659
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