Cyanocitta cristata

Or at least one lone feather from a Blue Jay.

2 Responses to “Cyanocitta cristata”

  1. 1 Paul Lamb March 2, 2018 at 5:32 am

    I always wonder about these when I come upon them in my woods. Is it just due to a regular molt or was there some mayhem involved?

    • 2 mthew March 2, 2018 at 7:11 am

      I think both are possibilities. If it’s just one in perfect shape, probably molt. For mayhem, the encyclopedic Bird Tracks & Signs by Elbroch with Marks says look for damage to the quills and V-shapes (from raptor bills) in the shaft; tips of shafts that are cut are signs of mammals biting through.

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