Saturday, March 1, 2014

At The Feeders: Yellow-rumped Warbler (Setophaga coronata/Dendroica coronata*)

March 1st, 2014. We installed a couple of log feeders in mid-December, 2013. Our inspiration came from a log feeder at the Ontario FeederWatch Cam sponsored by the Cornell Lab of Ornithology that was visited regularly by a Pileated Woodpecker (Dryocopus pileatus).

 Within a day or so of installation, Downy Woodpeckers (Picoides pubescens) began to feed at our logs and, within a few days, other birds began to investigate the logs. Among these were Yellow-rumped Warblers (Setophaga coronata).  

At first I didn’t recognize it until I saw it hovering at a log feeder where it displayed its tell-tale yellow rump. At first, we only saw one warbler at the feeders at any one time until mid-February when two, and then three warblers would be present at the same time. 

Views of warblers perched near the feeders.

Sometimes, none of the yellow is showing,…

When yellow is visible, it’s usually the yellow under the front of the wing.

Occasionally, the yellow rump is partially visible, and…
On even rarer occasions, both the yellow under the wing and on the rump are visible when the birds are feeding on the log.
This little guy was up early one morning as posed in an unusual spot.

Rarely, they will visit the platform feeder to sample the suet mix.

They will feed peacefully at the logs with other bird species , in this case Downy Woodpeckers, and...

Pine Warblers (xx) among others, but...
haven’t been tolerant of other Yellow-rumped Warblers.  They will chase other warblers away.

The Yellow-rumped Warblers arrive at the feeds soon after light and are among the last birds to leave in the evening. 

Iidentificaiton resources:
- Integrated Taxonomy Information System: Yellow-rumped Warbler(Dendroica coronata*) 

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