mardi, décembre 05, 2006

Learned today: Lemming Availability

"A snowy owl's preferred meal is lemmings—many lemmings. An adult may eat more than 1,600 lemmings a year, or three to five every day. Lemming availability may determine the extent of southern migration."

1 commentaire:

Unknown a dit...

to contribute to your knowledge:

http://www.saskschools.ca/~gregory/arctic/lemming.html