Date: 12/26/18 6:45 pm
From: Nicholas Komar <quetzal65...>
Subject: [cobirds] Larimer County gull report
Like yesterday, the bulk of the Larimer gull flock was hanging out late this afternoon at Warren Lake, about 5 miles northeast of the county landfill. The gulls present are listed in my eBird checklist (below). One of these may have been Slaty-backed Gull (see low-quality photos by clicking on the link for the eBird checklist).

Note that there was no Great Black-backed Gull(s). This species is reported almost daily of late but has never been photographed. If you see it, please make an effort to photograph it for documentation. Thanks.

Nick Komar
Fort Collins CO

> eBird Report
> Warren Lake, Larimer, Colorado, US
> Dec 26, 2018 3:03 PM - 4:42 PM
> Protocol: Stationary
> 13 species (+1 other taxa)
> Cackling Goose (Richardson's) (Branta hutchinsii hutchinsii) 20
> Canada Goose (Branta canadensis) 60
> Mallard (Anas platyrhynchos) 1
> Ring-billed Gull (Larus delawarensis) 300
> California Gull (Larus californicus) 1
> Herring Gull (American) (Larus argentatus smithsonianus) 130 Tally
> Iceland Gull (Thayer's) (Larus glaucoides thayeri) 3 Two adult, one juv
> Lesser Black-backed Gull (Larus fuscus) 10
> Slaty-backed Gull (Larus schistisagus) 1 Pink legs. I’m unsure of the species identity. Could be SBGU or maybe a pink-legged fourth-winter LBBG.
> Glaucous Gull (Larus hyperboreus) 1
> Herring x Glaucous Gull (hybrid) (Larus argentatus x hyperboreus) 1 Continuing
> Belted Kingfisher (Megaceryle alcyon) 1
> Northern Flicker (Colaptes auratus) 1
> Black-capped Chickadee (Poecile atricapillus) 1
> View this checklist online at

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