18 of world's rarest birds released to create new wild population in New Zealand
For 50 years, experts thought it had gone the way of the dodo. But in 1948 a tiny population of flightless takahē was ...
18 of world's rarest birds released to create wild population in New Zealand
For 50 years, experts thought it had gone the way of the dodo. But in 1948 a tiny population of flightless takahē was ...
National Audubon Society6h
Where Have All The Birds Gone?
Q: The amount of effort that goes into a Christmas Bird Count varies quite a bit across years and count circles. How do you deal with this issue when you calculate abundance trends? How do you know ...