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Thursday, April 12, 2018

Be careful on the beach

By ecoRI News staff
 A banded piping plover at East Beach in Watch Hill, R.I., in 2010. (Russ Thompson)
A banded piping plover at East Beach in Watch Hill, R.I., in 2010.
(Russ Thompson)
The U.S. Fish & Wildlife Service (USFWS) needs help this summer to protect threatened piping plovers, their nests and chicks on Rhode Island beaches. These rare migratory birds have returned to the Ocean State and will spend several weeks establishing territories and beginning to nest on local beaches.

To help protect and encourage piping plover nesting, the USFWS ropes specific areas to protect the breeding birds from pedestrians, pets and vehicles, since disturbance can cause the birds to abandon the site or could result in eggs being unknowingly crushed. 

This year the USFWS will continue to rope off National Wildlife Refuge beaches at the mean high-water level to protect nesting and foraging areas for adults and chicks.

The piping plover is a small, stocky, sandy-colored bird resembling a sandpiper, and they have been protected under the federal Endangered Species Act since 1986. 

Piping plovers typically return to their breeding grounds in April. Males typically return before the females, to set up and defend their area and will start creating pre-nests, called scrapes. Scrapes are small depressions in the sand that are sometimes lined with small stones or shell fragments, one of which the female will eventually lay her eggs.

Once the female lays eggs, the pair will take turns incubating the eggs for about a month. Once hatched, the chicks are up and running, feeding on small insects and invertebrates in the intertidal zone.

 Piping plover chicks will be running around local beaches this summer. (USFWS)
Piping plover chicks will be running around local beaches this summer.
“They look like cotton balls with long yellow legs,” plover biologist Erin King said. “They scurry up and down the beach, looking for food in the washed-up seaweed.”

The chicks are most vulnerable during the first five days, after which their chances for survival start to increase. 

Over the next few weeks, their wings develop and they learn to fly. 

Until that time, chicks respond to vehicles, predators, and pedestrians by “freezing” and crouching down in the sand to hide, becoming almost perfectly camouflaged.

“During this crucial time, vehicle operators may accidentally run over and kill plover chicks without even knowing it,” King said. “Some even get trapped in tire tracks, too little to get out and die from sun exposure and lack of food.”

Since being listed in 1986, piping plover numbers in Rhode Island have increased from 10 pairs to 98 pairs in 2017. Funding for the program comes from a cooperative agreement with the Rhode Island Department of Environmental Management. Volunteers and USFWS staff monitor plover populations and educate the public.

Wildlife biologist Jennifer White offers some tips on what beachgoers can do:

Respect all areas fenced or posted for protection of wildlife.

Don’t approach or linger near piping plovers or their nests.

Fill sand-castle moats and other holes in the sand, where chicks that can’t fly may become trapped.

Leave pets at home. Piping plovers perceive dogs as predators.

Don’t leave or bury trash or food scraps on beaches. Garbage attracts predators which may prey upon piping plover eggs or chicks.