Interspecific Competition Draws Lines For the Elevations of Tropical Mountain Birds

A new study out of the Cornell Lab of Ornithology finds that these limited altitude residencies are due to interspecific competition where individuals of different species compete for the same resources. The study, published in Science, was conducted using eBird data from 4.4 million citizen science observations of 2,879 bird species around the world.

Change in Federal Policy Puts Lives of Migratory Birds at Stake

For over 100 years, industrial activities inflicting harm to various bird species were regulated by the Migratory Bird Treaty Act of 1918. In recent months, President Donald Trump’s administration has taken steps to overrule this legislation so that companies would no longer be held liable for unintentionally harming birds — which could potentially have harmful implications for the environment.