First Chicks Born in Captivity for Highly-Threatened Florida Grasshopper Sparrow


This May, the U.S. Fish & Wildlife Service (FWS) announced that Florida grasshopper sparrow chicks were successfully hatched for the first time in captivity. The chicks, born at the Rare Species Conservatory Foundation in Loxahatchee, Fla, go one step forward in helping protect this highly endangered subspecies, one of North America’s most threatened birds.

With only an estimated 150 Florida grasshopper sparrows left in the wild, conservationists began a captive-breeding program in 2015, collecting five chicks from two different clutches in the wild, as well as two juveniles who would “tutor” the nestlings as they matured. In April 2016, the birds began to couple off, and a female hatched four nestlings on May 9. However, things are still less than rosy for these non-migratory, ground-dwelling birds, whose nest success rates are low (10-33%) to begin with.

Audubon Florida reported that 85 percent of the dry prairie land the sparrow depends on has been destroyed, mainly through conversion into pasture land. The exciting births come at a vital time, as experts are not optimistic about 2016 population counts for Florida grasshopper sparrows. “This breakthrough is great news because the Florida grasshopper sparrow couldn’t be more vulnerable,” said Sandra Sneckenberger, an FWS biologist helping lead the bird’s recovery effort.

Frequent Florida storms have taken a toll on the birds as well. As Sneckenberger noted in her May 11 statement: “Unfortunately, last week’s storms flooded most of the wild birds’ first nest attempts of the season. That brought the need for this captive-breeding program into even sharper focus. The four hatchlings are hopeful signs that bode well for producing options for recovery.” Let’s hope the joyful news of the recent hatchlings portends a newly positive direction for this threatened population of tiny creatures whose songs sound much like the grasshoppers they are named for.

Source: Discovery News. “Endangered Florida Sparrow Chicks Hatch in Captivity.” 19 May 2016.



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