Eclipses and Birds


What do birds do during an eclipse?  Much depends on the day cycle of the species.  Is its diurnal, nocturnal or crepuscular?

As usual, Cornell Lab of Ornithology put out a great post on this subject.


  • Diurnal aerial insectivores like Purple Martins dropped from the sky and roosted.
  • Chimney Swifts that start circling their roost site at dusk began to do so.
  • Crepuscular nighthawks were active.
  • Nocturnal migrants dispersed.

More locally here in South Dakota, Dr. KC Jensen, of SDSU, reported the dawn chorus of many birds.


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