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Spring is just around the corner – of the nest box
DNREC Division of Fish & Wildlife's annual screech owl banding
project and cleanup of owls' nesting habitat becomes a harbinger
  

Division of Fish & Wildlife technicians band a screech owl during the annual owl count and nest box cleanupMore than 350 nesting boxes at state wildlife areas throughout Delaware are amidst their annual spring cleaning by DNREC Division of Fish and Wildlife staff. Perched high on predator-proof poles at heights from six to 30 feet above the ground or water in forested wetlands, the boxes are designed primarily for wood ducks, but also can provide perfect nesting and roosting places for screech owls. These secretive nocturnal creatures help keep nature in balance by feeding on small mammals such as mice, insects, birds, amphibians such as salamanders and frogs, and sometimes fish.

Screech owls are tiny red or gray raptors, about the size of the adult human hand. The owls seldom build their own nests, preferring instead to adopt woodpecker holes or natural cavities in large trees. Screech owls also use manufactured nesting boxes, including wood duck boxes and boxes designed especially for them. “For many years, we have been helping to provide screech owls with safe nesting and roosting areas,” said Kent County Regional Wildlife Manager Wayne Lehman, DNREC Division of Fish and Wildlife. “The annual winter cleaning provides us with the opportunity to band roosting owls and record important data that’s used to help assess the overall health of the species. Throughout the year, we encourage the public not to open the boxes because owls will abandon their nests if disturbed by humans.”

DNREC’s screech owl banding program was initiated in 1993 to provide Delaware scientists with information on the owls’ lifespan, home range, habitat preferences, nest box loyalty and migration patterns. The banding serves as a key research tool to assess impacts to the species caused by the loss of their natural habitat through increases in land development.

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