Verification of Unusual Sight Record
For Utah

Rec. # 2020-78


Common name:

Winter Wren

Scientific name: Troglodytes hiemalis
Date: 12/7/2020
Time: 10:20am
Length of time observed: 10 minutes
Number: 1
Age:

?

Sex: ?
Location: East Canyon-Mormon Flats
County: Morgan
Latilong: 40.815717, -111.585562
Elevation: 6,000 ftish
Distance to bird: 2m
Optical equipment: Canon SX60 Power Shot hs
Weather: Sunny, clear cold, 25F
Light Conditions: OK, in morning shade of canyon
Description:        Size of bird: Tiny
(Description:)       Basic Shape: small wren
(Description:)  Overall Pattern: brown
(Description:)            Bill Type: thin of insectivore
(Description:)                              
Field Marks and
Identifying Characteristics:
In the parkinglot I heard a Chickadee give a contact call so I started imitating a Pygmy Owl to get a mob going to look for tag alongs, immediately I heard a distinctive chump call coming from across the creek, it was bit distorted by the creek noise so I crossed the creek bridge to get closer, and was thinking a Song Sparrow, but something seemed off. As I got closer I realized it was the chump call of a Winter Wren coming from a dense thicket of willows. I started pishing to bring it in closer and the Wren started calling franticly, and sure enough I saw a small short tail wren in the bushes calling. Much to my surprise another Wren joined it so there were 2 wrens in the same bush calling and hopping about. The 2nd was clearly a Pacific and the difference between their voice was immediately striking and apparent. The Pacific had a higher, scratchier check call, the Winter a song sparrow like chump. The Pacific was actually very bold and tame, getting just inches from me, but not very agitated and more reserved in its calling, the Winter was much more active and calling incessantly, and hopping around a lot, never staying still and always staying in the thicket. I had left my binos in the car, but never the less was close enough to see them well naked eye. The Pacific was a uniform rusty brown, the winter very similar but did have some pale streaking on the throat. But ID based mainly on calls
(see eBird checklist with hoto and videos)
Song or call & method of delivery: Gave a distinctive chump during entire observation
Behavior: Skulking about in a dense thicket, calling
Habitat: Dense riparian thicket of willows and hawthorn along East Canyon creek
Similar species and how
were they eliminated:
Pacific Wren-direct comparison, voice different, higher and scratchier. Also usually a more rusty throat.

House Wren-migrant that has left for the season, larger and longer tailed, different more harsh calls.
Previous experience with
this & similar species:
Yes, my 3rd, many many Pacifics
References consulted: iBird Pro app
Description from: Notes taken at the time of the sighting
From photo(s) taken at the time of the sighting
Observer: Bryant Olen
Observer's address: 84102
Observer's e-mail address: **
Other observers who independently identified this bird: None
Date prepared: 12-7-2020
Additional material: Photo and videos
Additional comments: eBird checklist