How to Get a Killer Whale to Say 'Hello' - The New York Times
Like humans, beluga whales form social networks beyond family ties
Killer Whale Menopause May Be Tied To Competition For Food : Shots - Health News : NPR
Whales Help Explain the Evolutionary Mystery of Menopause
Killer Whale Whale Watching Handbook
The Secret to Menopause - KURIOUS
Menopause in belugas and narwhals - Baleines en direct
Two dolphins die off UK coast after catching bird flu, UK News
Frontiers Diversity and Consequences of Social Network Structure in Toothed Whales
52 Whales Die After Mass Stranding in Western Australia
Whales Natural History Museum
Menopause in belugas and narwhals - Baleines en direct
Why Killer Whales Go Through Menopause But Elephants Don't