When Chinook salmon is off the menu, other prey will do for endangered orcas

Mongabay
Mar 3, 2021, 2:58 pm274 pts
For nearly 20 years, Robin Baird has been following killer whales, trying to figure out what they eat. At first, he would look to see what was in their mouths as the whales feasted on fish near the surface. But then he and his colleague, Brad Hanson, started looking for more subtle clues in their flukeprints…

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