A gray whale appears to have developed an infection after being darted with a satellite tracking tag. (NOAA Fisheries)

A gray whale appears to have developed an infection after being darted with a satellite tracking tag. (NOAA Fisheries)

Gray whale could be sick from tracking tag

Experts are concerned over possible infections related to the animal’s tagging site.

Associated Press

SEATTLE — Marine mammal biologists and veterinarians are treating and monitoring a gray whale that appears to have developed an infection after being darted with a satellite tracking tag.

The whale is part of a group of about 250 gray whales that feed off the coasts of Oregon, Washington and British Columbia in the summer. The whale is now off the coast of Vancouver Island and appears robust and to be behaving normally, The Seattle Times reported.

But experts became concerned when in March a National Oceanic and Atmospheric Administration (NOAA) Fisheries contractor photographed the whale in Barkley Sound, B.C., and reported a lesion around the tagging site and two lesions on the opposite side of the animal.

The whale was also coughing up mucus, so the whale was darted with antibiotics on March 31 and April 1 to stave off systemic infection, said Martin Haulena, veterinarian for the Vancouver Aquarium, a member of the response team.

Experts on a media call Tuesday coordinated by NOAA said the animal will continue to be monitored.

Tagging provides information for biologists seeking to understand the movements and population dynamics of animals and in the case of this whale, to additionally understand where those movements overlap with people, such as shipping lanes.

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