Nesting Structure Articles

Osprey: A Treasure of the Chesapeake

Ospreys, Pandion haliaetus, are large birds that have brown backs, white bellies and distinctive brown stripes through their mostly white heads. They usually reach a length of 21 to 24 inches and have a wingspan of approximately five feet. Ospreys are also known as fish hawks because they feed almost exclusively on live fish. Due to their tolerance of human activity and their adaptability to artificial nesting structures in close association with waterfront residences, Ospreys have become a treasure of the Chesapeake. The Ospreys’ diet consists almost entirely of medium-sized fish, which are captured just beneath the surface by plunging feet-first from flight into the water. They rise into the air by swinging their wings high over their back. Ospreys are basically opportunists, feeding on…
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Nesting Structures

Bee tube with cardboard nesting straws for native bees CWH uses martin houses with an entrance compartment that keeps the nestlings safer from predators and bad weather in a separate compartment. CWH staff erecting an osprey platform in shallow water.   ENGLISH HOUSE SPARROW Huge balls of grasses, weeds or trash, with the opening on the side of nest. Some include feathers, hair or string.  Nests are noticably messy.  Eggs are a white to greenish white with a slight gloss and dotted with grays and browns.  3-7 eggs, commonly 5. REMOVE THIS NEST! Picture Courtesy of Peterson Field Guide Eastern Birds' Nests CAROLINA WREN Bulky mass of leaves, twigs, mosses, rootlets, weed stalks. Generally domed at top with side entrance, lined with feathers, leaves, moss, hair.…
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