About a third of bird species in U.S. need conservation help, new report says
State of the Birds report identifies 112 "tipping point" species — those that have lost more than half their populations in ...
Many US bird species seen as reaching population 'tipping point'
U.S. bird populations are experiencing alarming declines due to factors such as habitat loss and climate change, according to ...
Butterfly populations are rapidly declining, new study shows
Butterfly populations have dropped by 22% in the United States, according to a new study published Thursday in the journal ...
Butterfly populations declining rapidly in U.S. with 22% disappearing in 2 decades, study finds
A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between ...
Cave discovery reveals previously unknown prehistoric human population in Europe
Fragments of a partial skull unearthed in a cave in northern Spain have revealed a previously unknown population of ancient ...
US bird populations continue alarming decline
U. S. State of the Birds Report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in American bird populations across all mainland and ...
What Was It Like for Ancient Humans to Meet Cousin Species?
Until now, at least 14 different species have been assigned to the genus Homo since it emerged in Ethiopia some 2.8 million ...
Butterfly populations plummet by 22% in US since turn of century
The population of butterflies - the beautiful insects that play a vital role in pollination and the health of ecosystems - ...
Study says endangered Asian elephant population in Cambodia is more robust than previously thought
A genetic study of Asian elephants in northern Cambodia reveals a larger and more robust population than previously thought, raising hopes the endangered species could slowly recover ...
Amid butterfly declines, one species is making a comeback in NY
A recent study combining data from more than 76,000 surveys from 35 monitoring programs across the country found butterfly ...