Reproductive Health Archives | Wild Orca

J27 Southern Resident Killer Whale

April 27, 2023

Is inbreeding entirely to blame for the decline of endangered orcas?

J32 a pregnant Southern Resident killer whale breaching.

March 20, 2023

Endangered orca calves exposed to contaminants even before birth

J57 swims alongside mother J35.

February 16, 2023

The Cost of Motherhood for Endangered Orcas

A Southern Resident killer whale calf with its head above the surface.

December 27, 2021

Why are so Few Babies Born in the Southern Resident Killer Whale Community?

The breath spray of a Southern Resident killer whale near its dorsal fin.

August 7, 2021

Why Older Males Matter in the Southern Resident Killer Whale Community

3 Southern Resident killer whale surfacing tightly together.

July 26, 2021

Transient Killer Whales Have Grandmothers Too

a Southern Resident killer whales porpoising through water.

January 20, 2020

The Grandmother Effect

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