[obol] Yellow House Finch with Eye Conjunctivitis in Toledo

  • From: Range Bayer <range.bayer@xxxxxxxxx>
  • To: Oregon Birders OnLine <obol@xxxxxxxxxxxxx>, "Lincoln Co. Birding & Nature Observing" <LCBNO@xxxxxxxxxxxxxxx>
  • Date: Mon, 20 Mar 2017 19:39:01 -0700

Hi,

A yellowish male House Finch came to Chuck Philo's Toledo feeder on
March 18.  It had "House Finch Eye Disease" (Mycoplasmal
conjunctivitis) in both eyes
(http://feederwatch.org/learn/house-finch-eye-disease/ that includes
photos of it and of House Finches with avian pox).  But it had not
progressed to where the eyes were swollen shut.  It seemed sick and
acted sluggish and allowed closer approach than normal.  It did not
show up on March 19.

Yellow House Finches develop when certain carotenoid pigments are
deficient in the diet during molt (see "Yellow House Finches" at
http://feederwatch.org/learn/unusual-birds/#color-variants).

Could a dietary deficiency made this House Finch more susceptible to
this eye disease?

Range Bayer, Newport, Oregon.
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