An auklet is any of a variety of seabirds in the genera Aethia, Cerorhinca and Ptychoramphus.

Whales are biotic factors.

Puffins are related to Rhinoceros Auklet which are type of birds, not Rhinos!

Asa Clifford Thoresen has written:

'Breeding activities of the pigeon guillemot, Cepphus columba columba (Pallas)' -- subject(s): Pigeon guillemot

'Breeding behavior and growth rates of Cassin's auklet Ptychoramphus aleutica (Pallias)' -- subject(s): Sea birds, Alcidae

The past participle of "least" is "least."