them including the Cassin's auklets. The event happened in the late summer when the auklet chicks began to fledge. References Further reading Manuwal, D. A. and A. C. Thoresen. 1993. Cassin's Auklet (Ptychoramphus aleuticus). In The Birds of North America, No. 50 (A. Poole and F. Gill, Eds.). Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists' Union. External links Cassin's auklet images from tsuru-bird.net by Monte M. Taylor Cassin's auklet photo gallery by VIREO Alcinae Birds of the Aleutian Islands Native birds of Western Canada Native birds of Alaska Birds described in 1811 Taxa named by John Cassin