June 05, 2017

Caspian Tern.


Seen from the pontoon boat along Rondeau's sand spit near Erieau.

Hydroprogne caspia
The oldest recorded wild Caspian Tern was at least 29 years, 7 months old when it was found in Louisiana in 1989. It had been banded in Michigan in 1959. The average life span of Great Lakes Caspian Terns is estimated to be 12 years.
source - Cornell Lab of Ornithology.

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