ML154435001
Bidragsyter
Ted Floyd Media from this contributor Profil
Dato
Lokalitet
Walden Ponds Wildlife Habitat--Walden & Sawhill Ponds all together
Boulder, Colorado, United States
Media from this location Illustrert sjekkliste- Age and sex
- Immature Unknown sex - X
Kommentarer
I was unclear about aging this bird with the remiges and upperwing coverts, so I reached out to Peter Pyle. This is his analysis: "SY on rects alone. In this case the molt limits are mostly within the lessers and between the lesser and median coverts (so a relatively restricted PF). The small buff tips to the medians (and to some extent some of the greaters) is a juvenile thing. The 3rd or so greater from the outside has been replaced accidentally. I call those 'wear clines' from the innermost greater outward, and among the tertials, as these are the exposed feathers when the bird is sitting."
Observasjonsdetaljer
Estimated count. Widespread, but not a lot of song, perhaps because of the overcast. See analysis of a particular robin, below.
Teknisk informasjon
- Model
- Canon PowerShot SX50 HS
- ISO
- 400
- Focal length
- 179.8 mm
- Flash
- Flash did not fire, auto
- f-stop
- f/6.5
- Shutter speed
- 1/400 sec
- Dimensions
- 4000 pixels x 3000 pixels
- Original file size
- 3.58 MB