HNA Home
Vermont Nature News
Almanac
Amphibians
Archives
Birds
Insects
Mammals
Nature Gear
Plants
The Hazen's Notch Association is a non-profit conservation
organization located in montgomery center, vermont.
The hna
provides environmental education programs for schools, conducts a
summer camp for children, maintains a network of trails for
cross country skiing, snowshoeing and hiking on 2,500
acres of land and serves as a local land trust.
Your
membership in the Hazen's Notch Association supports our work in
conservation, environmental education, recreational trails, scientific
research and stewardship of natural resources.
Support the HNA
Become a Member
Thank you
!
|
Hazen's Notch
Association Nature News
from the Green Mountains of Northern Vermont __________ Vermont Nature News ™
__________
Birds
American Woodcock Scolopax minor & Wilson’s Snipe Gallinago delicata
American Woodcock
As soon as the snow has left the land in Spring and nights are above freezing, two bird species return in close succession to their respective breeding grounds and each one performs a distinctive aerial flight display to establish a territory and to attract a mate. It is believed that these two closely related shorebirds evolved their respective feather modification and aerial displays over many thousands of years and that the relatively low frequencies produced permit the sound to carry over a long distance without distortion.
American Woodcock above ^
Habitat/Physical Characteristics
American Woodcock announces its return from wintering grounds in the southern coastal region of the U.S. to Vermont in mid-April with a loud nasal “peent” vocalization most often given from just before dawn to first light and again at dusk to shortly after dark. Its preferred territory is damp, brushy woods with grassy or brushy fields nearby for displaying. The bird is plump with an 18” wingspan, a very long beak and short legs. Its eyes are located high up and far back on the head giving it binocular vision upwards and backwards to be alert for predators while it probes in the mud for earthworms. The bird is cryptically colored brown, gray, and buff-orange and the female is nearly impossible to see when sitting tight on the nest that is a simple scrape on the ground. The female is larger than the male and once mated she builds the nest, incubates the clutch of approximately 4 eggs and raises the young herself. The chicks are dependant on the mother for food for the first three days after leaving the nest and then begin probing the dirt on their own.
Aerial Display
Woodcock have a flexible tip of the beak and often feeds by sticking the beak into the dirt and walking around in a circle stamping one foot to detect the retracting motion of a disturbed earthworm and then moving toward it using its sense of touch. The male Woodcock competes with neighboring males through an aerial display intended to attract as many females in a given area as possible. After much “peent”ing on the ground the bird takes off skyward and as he climbs his flapping wings push air through the three outer primary feathers which have narrowed tips. The result is a steady high twittering sound as the bird climbs, short bursts of twittering as the bird circles at the top of its climb, and loud and soft twittering and soft chirping as the bird zigzags its way back to the ground in the “falling leaf” pattern to the very spot where it took off. The male will continue to display long after most females have laid eggs. A female may visit four or more singing grounds before nesting.
Wilson's Snipe
Wilson’s Snipe returns to Vermont from its wintering grounds in the southern half of North America to the northern regions of South America and begins its aerial displays when nighttime temperatures reach 50 degrees in early May. The Wilson’s Snipe is a secretive species that prefers damp, marshy areas with muddy patches for feeding and vegetation that provides some cover. It is also a stocky bird with an 18” wingspan, a very long beak and short legs. It is colored cryptically and in flight it shows a boldly striped back and head and a short orange tail. Snipes mate once each summer. The female incubates the clutch of usually 4 eggs in a nest made of a neatly woven cup of grasses placed on the ground. When the chicks hatch they are covered in downy feathers. The male takes two chicks and the female takes the other two and they go their separate ways for the rest of the summer apparently having no further contact.
Feeding/Song
Wilson’s Snipe forages by probing its long beak in soil and mud for insects, worms, crustaceans, mollusks and some vegetation and seeds. The bird has a flexible beak and the tips can be opened and closed with no movement at the base of the beak. Sensory pits at the tip of the beak allow the bird to feel its prey deep in the mud. The bird sucks up and swallows food items without lifting its beak out of the mud. The male displays during the day or night by climbing high over an open marshy area and rapidly flapping its wings while descending steeply which forces air past the two stiff outer tail feathers and creates a winnowing sound – “hu-hu-hu-hu-hu-hu-hu-hu-hu”. Other vocalizations are a harsh “tuk-a-tuk-a-tuk-a-tuk-a-tuk”. When startled, the bird gives a raspy “scaipe”.
Classification
Many field guides for Eastern North America list Wilson’s Snipe as Common Snipe. Recently the Wilson’s Snipe of the New World was recognized as a different species from the Common Snipe (Gallinago gallinago) of Eurasia. The two snipes look very similar, but differ in the shape, patterning, and usually the number of tail feathers. The Wilson’s Snipe typically has 16 tail feathers whereas the Common Snipe typically has 14. These numbers vary and a Common Snipe may have from 12 to 18 tail feathers. In French, the name is Becassine de Wilson.
- Deborah Benjamin
Wildlife Observation Tips The best way to enjoy these two species is to quietly approach a wetland, beaver pond, pond or lake with vegetated shoreline or marshy area toward dusk and listen for their flight displays. On days that are overcast, cool or slightly damp with light mist the males will produce their aerial displays much like they will do later in the day.
Seeing either bird is more difficult, as both species hide themselves in vegetation when not on the wing. A displaying Woodcock will land on the singing ground and repeatedly take off from there. If you conceal your presence by crouching behind a shrub, you may be lucky. Occasionally, Wilson's Snipe will perch on an exposed site such as a powerline looking somewhat out of context with its very long beak.
Nature Gear Suggestions for selecting binoculars, cameras and other equipment for wildlife observation.
Recommended Reading
Birdwatching in Vermont by Ted Murin and Bryan Pfeiffer. Publisher: University of New England Press, 2002.
The Sibley Guide to Birds by David Allen Sibley. Publisher: Alfred A. Knopf, 2000.
The Sibley Guide to Bird Life and Behavior by David Allen Sibley. Publisher: Alfred A. Knopf, 2001.
The Atlas of Breeding Birds of Vermont edited by Sarah B. Laughlin and Douglas P. Kibbe. Publisher: Vermont Institute of Natural Science with University Press of New England, 1985.
Birds of the Northeast by Winston Williams. Publisher: World Publications, 1989.
Waterbirds of the Northeast by Winston Williams. Publisher: World Publications, 1989.
Send us
your News: Do you have news of plants, birds,
mammals or the weather ? Send it along to us
via email. Be sure to give us
the particulars. If you don't want to reveal the exact location of your
nature sighting, just tell us the town or neighborhood. Thanks ! This page was last updated on February 18, 2006
|