Murmuration of starlings mesmerize crowds in small Marin County strip mall

Technically, the term murmuration refers to the bizarre-looking feat when hundreds, sometimes thousands, of starlings fly in swooping, intricately coordinated patterns through the sky. As for what it looks like? A massive swarm of shape-shifting black birds flying in unison among the clouds. 

New York's 750-mile Empire State Trail completed

A 750-mile trail spanning New York state that is expected to attract millions of cyclists, hikers, and runners every year is complete. The mostly off-road trail runs north from New York City through the Hudson and Champlain Valleys to Canada and from Albany to Buffalo along the Erie Canal.

Feral pigs flummox Puerto Rico, infiltrate communities

Thousands of Vietnamese pot-bellied pigs are snorting and squealing their way across Puerto Rico in what many fear has become an unstoppable quest to eat and reproduce on an island struggling to stop them.