An online resource based on the award-winning nature guide

Nests

Wild Turkey Hens On Eggs

wild turkey nest 238

This is what a typical Wild Turkey’s nest looks like – anywhere from 4 to 17 eggs in a shallow depression in the ground.  Sometimes, however, turkeys engage in a practice referred to as “egg dumping.” A hen turkey comes along and lays a few eggs in several other turkeys’ nests, in an effort to maximize the number of her offspring that will survive.  Up to 26 eggs have been found in a single Wild Turkey nest.  The hen turkey that built the nest doesn’t reject the additional eggs, but rather, welcomes them to her brood, incubates them and treats them as her own.  All of the precocial chicks are out of the nest within 24 hours of hatching and follow the hen, who feeds them for a few days until they learn to find food on their own.

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Eastern Bluebirds Nesting

4-22-16  bluebirds nesting 239

Eastern bluebirds are preparing for the first of the two or three broods they will raise this summer.  Contrary to what those of us who clean out our bluebird boxes have been led to believe, Cornell Lab of Ornithology states that experiments show preferences for nesting boxes containing old nests. In a paired experimental design bluebirds chose boxes containing old nests in 38 of 41 cases in which boxes with old nests were paired with empty ones.  Scientists conjecture that this may be because the old nests often contain wasp larvae, an easy source of food for the bluebirds.

Females build their nest over several days.  Grasses and pine needles are gathered from the ground and delivered to the nest box.  Fine grasses, horse hair and turkey feathers often provide the soft, innermost lining of the nest.  While the male enters the box during the nest-building process, perhaps to inspect, he does not actively collect material or participate in the building of the nest. Once the 3 – 7 eggs are laid, the female spends the next two weeks or so incubating them.  She then broods the young for about a week, and both parents provide them with food for up to three weeks after the young have fledged. (Thanks to Jeannie Killam and Terry Ross for photo op.)

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Meadow Vole Nests

meadow vole nest  089Meadow voles (Microtus pennsylvanicus), tiny mouse-like rodents, spend a majority of their time on the surface of the ground, particularly in moist fields filled with grasses and sedges. They have elaborate runways through the vegetation – well-worn trails about the width of a garden hose which they keep mowed down with their incisors. Latrines of small brownish-green pellets can be found intermittently along the trails.

Most meadow vole nests are constructed out of dried grasses, also on the surface of the ground, although they are sometimes built at the end of shallow burrows. When above ground, the nests are often located in the center of a grass tussock, where they are less apt to be flooded. When there is snow on the ground they are a bit easier to find, as the heat of the voles inside the nest melts away the snow, forming a chimney that sometimes reveals the nest below.

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Home Delivery for Barred Owl Nestlings

email- barred owl adult & young with red-backed vole  1051Young Barred Owls are fed by their parents from the day they hatch until late summer/early fall. During their first two weeks, food is delivered by the adult male to the adult female, in a bill-to-bill exchange. The female tears up the prey into swallowable bits and feeds them to her offspring. During this time the female does little hunting, but she begins to capture prey after about two weeks of brooding the young. At about this time, the young begin consuming whole prey on their own (see photo). Female prey deliveries are greatest immediately following sunset and immediately prior to sunrise, while male prey deliveries remain fairly constant throughout the night. (Photo: Barred Owl delivering Red-backed Vole to nestling.) (Thanks to Alfred Balch for photo op.)

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Eaglets Hatching

bald eagles2  254When eagle chicks hatch they are covered with light gray down and have brown eyes and pink legs. One parent, usually the female, spends most of the day in the nest with her young for the first three weeks, brooding and keeping them warm. The male provides most of the food during this time. After he delivers prey, she tears off small pieces and feeds them to the nestlings. The chicks gain weight rapidly – roughly ¼ pound a day – so that in three or four short weeks the young are nearly the size of an adult. Eaglets are roughly six weeks old before they are capable of tearing off food and feeding themselves, and at least eight weeks old before they leave the nest. (Note corn stalk that’s been incorporated into nest; photo: one-week-old eaglet & its mother)

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Ospreys Laying Eggs

5-5-15 osprey 266Ospreys are late-season breeders compared to other raptors of their size, and are just starting to lay and incubate their eggs in the Northeast. This is thought to be an adaptive delay to allow ice to break up and to allow fish to move into shallow waters. (In years of late ice-out, ospreys may not breed.)

Both male and female ospreys incubate their 1 – 4 eggs, but the female generally does a majority of it, and nearly always is the incubator at night. The male typically brings the incubating female food, which she takes to a nearby perch to eat while he sits on the eggs. Once the eggs hatch (in about 5 weeks) the young are brooded by the female. The male does the fishing, bringing his prey back to the nest, eating his fill and then giving it to his mate to tear into small bits and feed to their nestlings.

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Black-capped Chickadees Starting to Build Nests

3-13-15  black-capped chickadee and Emma's hair 067At least two to four weeks before one would expect to find a black-capped chickadee building a nest, one was busily collecting hairs shed by my chocolate lab yesterday. In addition to fur, chickadees line their nest with grass (not available yet here), down and moss (hard to come by with two feet of snow still on the ground). Chickadees are able to nest this early in part because they nest in cavities, which offer them protection from the elements. Not having bills strong enough to hammer out cavities in living trees, chickadees rely heavily on rotting stumps for nest sites — the wood in them is punky and easy to remove. Birch, poplar and sugar maple snags and stumps are preferred nesting trees. If you want to provide chickadees and other birds with nesting material, take advantage of the fact that dogs and cats are shedding now, and recycle their fur.

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