Tag: calves

November 10, 2022

Gray whales and their calves have declined

A high number of gray whale strandings in recent years, likely related to climate change and malnutrition, has resulted in declines in this population of marine mammals and fewer calves...

July 12, 2022

Whale entanglements affect future generations

When North Atlantic right whales get entangled in fishing gear, it can have long-term consequences for their populations. Not only can the energy cost of carrying the gear around cause...

June 4, 2019

Mexican wolf kills rise sharply

The number of cows and calves killed by Mexican gray wolves (Canis lupus baileyi) is rising dramatically this year. Federal reports show the wolves were blamed for the deaths of...

April 10, 2018

JWM: Habitat quality drives elk recruitment

While biologists have often studied individual elk (Cervus canadensis) herds, a team of researchers recently wanted to get a bigger picture of elk throughout the West. “This bigger study allowed...