America's Dust Bowl in the 1930s severely impacted soil quality –- so much so that the effects remain to present day.
Caucasian Parsley Frogs (Pelodytes punctatus) feed on insects breeding in the feces of bats in remote limestone caves near Russia, researchers discovered. Their study sheds light on the importance of species conservation.
Eurasian cuckoos, one of which is pictured here, are invading North America. Climate change has taken its toll on the Bering Strait's landscapes, which has made it easy for these birds to migrate to new lands. However, this could cause drastic declines of native bird populations.