Editor’s Note: The Greater Yellowlegs shorebird is part of the CROW CAW (Case A Week) series, which tells the stories of the patients at the Clinic for the Rehabilitation of Wildlife on Sanibel Island, the dangers they face, and how we can help protect all of our wildlife. Read previous cases here.
The Greater Yellowlegs is a small shorebird known for its bright yellow legs and long slender bill. There are two species of yellowlegs commonly found in North America, the Greater Yellowlegs and the Lesser Yellowlegs. Both species are migratory, traveling vast distances between their breeding grounds in the north, and their winter grounds as far south as South America.
Around this time of year, CROW begins to see an increase in patients affected by red tide, a harmful algal bloom that produces toxins dangerous to both marine life and birds. As water temperatures rise, the likelihood of a red tide reaching our shores increases. The Greater Yellowlegs, like many shorebirds, is particularly vulnerable to red tide exposure as it feeds in coastal areas where the toxin accumulates in fish and shellfish. We expect to see more cases of birds showing symptoms of red tide toxicity, including lethargy, neurological issues, and weakness.
This Greater Yellowlegs (24-3867) was brought into CROW in critical condition. The patient was unable to hold up its head, was moderately dehydrated, lethargic, and thin, and an eye ulcer was noted. Staff suspected the patient was suffering from the effects of red tide or another form of toxicosis. The patient received intravenous fluids (IVF), a common treatment for patients suffering from toxicosis. Staff also administered a combination of antibiotics to manage the eye ulcer and reduce inflammation.
Over the course of a few days, the patient made significant progress. The bird was standing on its own, moving around in its enclosure, and gaining weight. Staff scheduled a flight test in two days to assess the patient’s ability to regain full mobility and decide if they are ready to be moved to an outdoor enclosure.
Although there are no current local reported red tides, it is important to understand we can still see patients affected by red tide poisoning. Red tide toxins can persist in the environment, particularly in fish and shellfish, even without an active bloom. If you are suffering from symptoms related to red tide, call CROW. We always have trained volunteers in the area to rescue patients.
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