Area of Focus: Marine

Archaeological remains reveal how the Canadian Arctic’s food web has changed

Is the size difference normal? Or are they unhealthy?

Cameras along game trails may not give an accurate view of the species

Rufa red knots depend on horseshoe crab eggs

Authorities are investigating a wave of incidents in California

Researchers worry it points to underlying health problems in the struggling population

As boat traffic increases, it poses a greater threat

The discovery offers a new understanding of how cougar populations may be connected

Researchers found the virus is usually severe in mammals

Focusing on the breeding grounds may not be enough