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Wood Duck

Waterfowl In Eclipse Plumage

9-9-16-revised-wood-duck-eclipse-20160904_3910Most ducks shed their body feathers twice each year. Nearly all drakes lose their bright plumage after mating, and for a few weeks resemble females. This hen-like appearance is called the eclipse plumage and provides drakes with the ability to camouflage themselves. The necessity for waterfowl not to be seen by predators at this time is great, for this is when ducks undergo a “simultaneous” wing molt – losing all their wing feathers at the same time. It takes a month or so to replace these feathers, and during this time they are completely flightless. As soon as drakes can fly again in late summer, they begin a second molt and gradually develop their breeding plumage as fall progresses.

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Fisher Raids Wood Duck Nest Box

4-19-16 fisher & wood duck box by Alfred Balch Fishers are rarely seen, as they tend to travel in wooded areas and not expose themselves in open areas. However, this fisher was so intent on getting a meal that he threw caution to the wind.  Fishers are generalist, opportunistic hunters and scavengers, consuming a wide variety of animals and plants. Basically, if it can catch it, a fisher will eat it – amphibians, reptiles, invertebrates, birds and bird eggs, and mammals (snowshoe hares are at the top of the list, but rabbits, squirrels, small rodents, shrews, and porcupines are common prey).

Between its keen sense of smell, and its acrobatic abilities (due to the flexibility of its hind feet, which can be turned 180°), a fisher is able to take advantage of prey and access food wherever it may be – in the tallest tree, or, in this case, a wood duck nest box.

Noted New Hampshire naturalist/tracker/videographer, Alfred Balch, succeeded in documenting the pictured fisher swimming out to an active wood duck nest box, climbing inside and exiting with a wood duck egg gently held in its mouth.  It was observed doing this more than once.  Considering that wood duck clutches consist of anywhere from 6 to 16 eggs, this fisher’s stomach was probably full by the end of the day. The wood duck is the only duck in North America that regularly produces two broods in one season, so hopefully the second clutch will escape the fate of the first.  (Photos by Alfred Balch)

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Red-osier & Silky Dogwood Fruits Ripening

10-6-15 silky dogwood 291Some of the most prolific flowering shrubs in the Northeast are dogwoods. In the spring, their flowers attract attention and at this time of year their colorful fruit stands out. There are many species of dogwood, two of which are Red-osier Dogwood (Cornus sericea) and Silky Dogwood (Cornus amomum). These two shrubs can be hard to tell apart, as they both have white flowers, red stems and similar foliage. In the fall, however, the color of their fruit differs, as does their pith, or central stem tissue. The mature berries of Red-osier Dogwood are dull white and its pith is also white. Silky Dogwood’s blue berries have white blotches, and its stem and branches have a salmon-colored pith.

The fruit of these dogwoods and others is an extremely important source of food for many migrating songbirds, as well as resident birds. Wood ducks, Northern Cardinals, Eastern Bluebirds, Gray Catbirds, Purple Finches, Evening Grosbeaks, American Robins, Yellow-bellied Sapsuckers, Wood and Hermit Thrushes, Red-eyed and Warbling Vireos, Cedar Waxwings and Downy Woodpeckers all consume dogwood berries.

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Wood Ducks Return to Breeding Grounds

4-13-15  wood ducks 284You can find waterfowl in almost every open body of water, from puddles to ponds, at this time of year. Among these migrating waterfowl are colorful Wood Ducks returning to northern New England to breed, having already formed mating pairs. Their courtship displays enable them to maintain this pair bond. The most common display involves the male’s turning the back of his head towards the female as he swims in front of her while holding his wings and tail high. Chin-lifting, feather-shaking, wing-preening, neck-stretching and bill-jerking are just some of the displays that occur during Wood Duck courtship.

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Shagbark Hickory Nuts Ripening

11-19-13 shagbark hickory 043Shagbark Hickory, Carya ovata , a member of the Walnut family, is named after the shaggy appearance of the bark on older trees. Shagbark Hickory produces nuts which initially are covered with thick husks. As time goes on, the green husks turn brown and open, exposing the nuts, which fall to the ground if squirrels haven’t managed to eat them while they are still on the tree. It takes about ten years for a Shagbark Hickory tree to start producing nuts, but large quantities are not produced until it’s 40 years old. Nut production continues (a good crop every three to five years) for at least 100 years. Shagbark Hickory nuts are very sweet and highly nutritious. They were a staple food for the Algonquians and squirrels, raccoons, chipmunks, mice, bears, foxes, rabbits, wood ducks and wild turkey also feed on these excellent sources of protein, fats and carbohydrates.

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Beaver Ponds & Waterfowl

6-5-13 mallard & ducklings 151The relationship between beavers and waterfowl is a strong one. In creating ponds and wetlands, beavers provide valuable waterfowl habitat. Beaver ponds are attractive to most dabbling duck species, particularly American Black Ducks and Mallards (pictured). Dead snags that are often found in beaver ponds provide Hooded Mergansers, Common Goldeneyes, Buffleheads and Wood Ducks with nesting cavities. During spring and fall, beaver ponds are used by migrating waterfowl, such as Green-winged Teal and Ring-necked Ducks, for the fuel they provide (aquatic invertebrates, plant seeds, tubers, buds and rhizomes). Waterfowl surveys in 2002 in Wyoming found that rivers and ponds with beavers had 75 times more ducks than those without beavers.


Wood Duck Courtship Displays

4-3-13 wood ducks  IMG_6045It’s been my life’s dream to witness the fledging of young wood ducks from their tree cavity nest in response to their mother’s calls below – perhaps this will be the year! Adult wood ducks have recently returned to northern New England, having already formed mating pairs. They now proceed to perform a number of courtship displays which enable them to maintain this pair bond. The most common display involves the male’s turning the back of his head towards the female as he swims in front of her while holding his wings and tail high. Chin-lifting, feather-shaking, wing-preening, neck-stretching and bill-jerking are just some of the displays that occur during wood duck courtship.