As humpback whales recover, older males are fathering more calves, revealing how whaling still shapes mating and competition ...

Southern right whales have distinctive white and gray patches of thickened skin on their heads known as callosities. Because ...

New research reveals older singing male whales are increasingly successful at siring offspring compared to younger males. The ...

A new study sheds light on the illuminating, sometimes counterintuitive dynamics of mating and how species survive.

Older male whales are more successful at mating than their younger rivals because they are better singers, suggests new ...

A new study shows that as humpback whale populations recover from past whaling, older males are gaining a major advantage in reproduction. Early in the recovery, breeding groups were dominated by ...

Recovering humpback whale populations are revealing a hidden shift: older males are increasingly outcompeting younger rivals to father calves.

A vanishing species of whale gave birth to so few babies this birthing season that it has raised alarms among scientists and conservationists who fear the animal could go extinct. The whale is the ...

Add Yahoo as a preferred source to see more of our stories on Google. Animals with long lifespans tend to reproduce extremely slowly. Els Vermeulen Southern right whales have lifespans that reach well ...