A satellite tag attached to one endangered Puget Sound killer whale is yielding some valuable information about the migration of orcas in recent days.
Federal biologists tracking a 22-year-old whale, known as L-87, say he and others have moved moving extensively through the Salish Sea, circling an island in the northern Strait of Georgia and making appearances in Puget Sound and the central Strait of Juan de Fuca.
“It’s exciting this time of year because of what are we going to learn,” said Brad Hanson, a biologist with the National Oceanic and Atmospheric Administration in Seattle.
He said each year of satellite tagging is filling in more gaps about the winter movements of southern resident killer whales, while also raising new questions about why some travel as far south as Northern California and others may not.
The endangered orcas — which hang out in three groups known as K, L and J — spend a bulk of the summer months in the inland waters of Washington, but scientists are hoping to learn more about where they winter and what they eat.
The satellite-linked tag on a whale on L-87 shows he has been covering about 75 to 100 miles a day since the device was attached on Dec. 26.
Whales tend to travel in the same family group, but L-87, who is named Onyx, is unusual because he has been hanging out another group, or the J pod.
Source: The Oregonian
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