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

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.

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breeding, evolution

breeding, evolution

Famous Fox Domestication Experiment Challenged

Emily Makowski | Dec 4, 2019 | 2 min read

The tamed foxes, whose appearances changed with breeding, weren’t wild to begin with, say the authors of a new study.

Hitting a Climate “Seal”-ing

Kate Yandell | Jul 23, 2014 | 3 min read

Due to the effects of climate change, female fur seals that successfully breed do so later in life and are more likely to have increased variability within their genomes.