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a black wolf and a gray wolf follow a third gray wolf, whose head is tilted back to watch, as they trot through a snowy background, with light colored, barren trees in the background.
Black and Gray Wolf Pairings Stem Disease, Stabilize Population: Study
The black fur allele has fitness costs but also confers higher immunity against canine distemper virus, making mix-and-match mating key to population survival.
Black and Gray Wolf Pairings Stem Disease, Stabilize Population: Study
Black and Gray Wolf Pairings Stem Disease, Stabilize Population: Study

The black fur allele has fitness costs but also confers higher immunity against canine distemper virus, making mix-and-match mating key to population survival.

The black fur allele has fitness costs but also confers higher immunity against canine distemper virus, making mix-and-match mating key to population survival.

population management
Photo of John Calhoun crouches within his rodent utopia-turned-dystopia
Universe 25, 1968–1973
Annie Melchor | May 2, 2022 | 3 min read
A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse.
Picture of Markus Dyck standing outside, wearing a red coat and ball cap.
Polar Bear Researcher Markus Dyck Dies in Helicopter Crash
Lisa Winter | Apr 30, 2021 | 2 min read
Dyck was widely respected for working alongside indigenous groups as he studied polar bears on their ancestral lands.
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