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1.
▲
29% of bird populations have been lost since 1970 [pdf]
birds.cornell.edu
discuss
7 years ago
collinmanderson
4 points
2.
▲
The Magic of Merlin
birds.cornell.edu
1 comment
6 months ago
Group_B
3 points
3.
▲
Cornell Lab of Ornithology
birds.cornell.edu
discuss
8 years ago
dyukqu
1 points