hill outside of Madison, Wisconsin, Orin Libby counted 3600 calls from night-migrating birds in five hours of listening (Libby 1899). This count is the first published record of an attempt to quantify the night flight call phenomenon of ... WR Evans - 《Passenger Pigeon》 被引量: 0发表:...
Overdrive has compiled a list of the top eBooks and audiobooks about anti-racism and social justice, all of which you can download for free with their Libby app. Reading Apps These 10 books help raise awareness of systemic oppression in the U.S. By Joseph Keller last updated June 9,...
Overdrive has compiled a list of the top eBooks and audiobooks about anti-racism and social justice, all of which you can download for free with their Libby app. Reading Apps These 10 books help raise awareness of systemic oppression in the U.S. By Joseph Keller last updated June 9,...