First dogs then humans and now birds, where will it all end.
WASHINGTON - Little songbirds cover more than 300 miles a day on their annual migrations, flabbergasting researchers who expected a much slower flight. For the first time, scientists were able to outfit tiny birds with geolocators and track their travel between North America and the tropics, something only done previously with large birds such as geese.
I saw a video about growing sturgeons in the Caspian sea. Before release into the sea, the fry were injected with a unique rfid tag.