Nearly 30 endangered turtles released into Washington's wilderness

Aug 21 2020, 11:11 am

This year’s class of 24 western pond turtles that graduated from a program at Woodland Park Zoo have officially been released into the wild at a local protected site.

The turtles are part of Washington state’s longest-running species reintroduction project, the Western Pond Turtle Recovery Project, which helps to “give these local gems a head start.”

According to the Woodland Park Zoo, the project was launched in 1990 when the western pond turtle population hit a low of 150 turtles due to predators, loss of habitat, and invasive species. Today, successful reintroduction has brought that population up to over 1,200.

In the spring, WDFW biologists went into the field to attach transmitters to adult female western pond turtles. They monitored them every few hours during the nesting season to locate nesting sites, where they collected eggs. Then, in late summer, the hatchlings are released into the wild.

“Due to the fact that wild turtles don’t feed in the winter, they become active in the ponds at a very small size and are easily predated on. Head-started turtles are fed all year and so when released, are less likely to be predated on just because of their larger size,” said Kevin Murphy, an animal curator at Woodland Park Zoo, in a press release. “Once the turtles reach a suitable size to escape the mouths of invasive predatory bullfrogs, about two ounces, we return them to protected sites in their natural range where they’re monitored by biologists.”

Each turtle has been weighed, measured, and marked before its release.

Alyssa TherrienAlyssa Therrien

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