Designation of critical habitat is required for species listed under the Endangered Species Act.

Biodiversity is rapidly declining, yet the area of nature reserves is limited and it is difficult to expand them further.

From birdsong in the rainforest to whale calls in the oceans, the world is losing the variety of sounds that enriches life. 

If average temperatures rise as projected in eastern North America in coming decades, at least one widespread amphibian species likely will be unable to adjust, and its range may shift northward, according to a new study led by Penn State scientists.

A third of bird species in Chicago are laying their eggs a month earlier than they did 100 years ago, according to a new study that compares recent observations with data from century-old eggs.

Spring is in the air. Birds are singing and beginning to build their nests. 

A study published recently in Coral Reefs and led by University of Hawai‘i (UH) at Mānoa student researchers revealed that exposing rice coral larvae to warmer temperatures did not improve survival once the coral developed into juveniles and were exposed to heat stress.

Climate change will significantly alter how sound travels underwater, potentially affecting natural soundscapes as well as accentuating human-generated noise, according to a new global study that identified future ocean “acoustic hotspots.”

Coral reefs in the Gulf of Eilat have been proven particularly resistant to global warming, rising water temperatures and bleaching events that are crippling their counterparts elsewhere around the world. 

eDNA provides an affordable alternative to measure fish populations.