What does COS stand for?
COS stands for "Chicago Ornithological Society"
How to abbreviate "Chicago Ornithological Society"?
"Chicago Ornithological Society" can be abbreviated as COS
What is the meaning of COS abbreviation?
The meaning of COS abbreviation is "Chicago Ornithological Society"
What does COS mean?
COS as abbreviation means "Chicago Ornithological Society"
