
Two thousand miles is a staggering distance for any kind of journey. But imagine making it not by car or even foot--but by fin. That's what faces Chinook, a female king salmon, as she takes a dramatic trip to safely deliver her eggs. From the Bering Sea, up the Yukon River, and...

Two thousand miles is a staggering distance for any kind of journey. But imagine making it not by car or even foot--but by fin. That's what faces Chinook, a female king salmon, as she takes a dramatic trip to safely deliver her eggs. From the Bering Sea, up the Yukon River, and...