An online resource based on the award-winning nature guide

November

European Starling

European starling IMG_8398There was no fooling the vast majority of Naturally Curious readers! As unpopular as the European Starling may be, its plumage is impressive, especially at this time of year. The starling’s summer, or breeding, plumage shows purple and greenish iridescence, especially on the head, back, and breast. Following the annual mid-summer/fall molt, most head and body feathers have whitish or buff terminal spots. Through the winter, most of these light spots gradually wear away to produce a glossy black appearance in the spring.

Most creative Mystery Photo response (from Steve Adams): “ This one’s easy. The bird is Hazel Hainsworth. She was sweet but insane. Hazel had a huge hat made of all different kinds of feathers, and because she liked her scotch, her navigation skills were somewhat dull, and she always made a point of telling people she’d been lost in every state in the nation, including Alaska.”

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Mystery Photo

11-20-14 feathers-mystery photoAll of these feathers came from the same bird. Hint: this bird can be found in all 50 states. Do you know its identity? All guesses welcome (enter under “comments”). Tomorrow’s post will reveal answer.

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Tufted Titmice Caching Seeds for Winter Consumption

tufted titmouse2  379Tufted Titmice and Black-capped Chickadees are in the same family (Paridae), and share several traits, one of which has to do with securing food. They are both frequent visitors of bird feeders where they not only take seeds and soon thereafter consume them, but they also collect and cache food throughout their territory for times when there is a scarcity of food. Tufted Titmice usually store their seeds within 130 feet of the feeder. They take only one seed per trip and usually shell the seeds before hiding them.

In contrast to most species of titmice and chickadees, young Tufted Titmice often remain with their parents during the winter and then disperse later in their second year. Some yearling titmice even stay on their natal territory and help their parents to raise younger siblings.

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Raccoons Fattening Up

11-13-14  raccoon tracks IMG_0045In the Northeast, raccoons spend the fall fattening up, for little, if any, food is consumed during the winter. Acorns, hickory nuts, beechnuts and hazelnuts are favorite foods. For as long as insects are available, they form a large part of a raccoon’s diet – delicacies include larvae of dug-up yellow jacket and bumblebee nests, and honeybees as well as the honey the bees have stored for the winter. Birds and rabbits injured by hunters, mice, bats, wild grapes and an occasional crayfish provide raccoons with enough sustenance so that fat makes up almost 50% of their body weight as they head into winter.

While signs of their presence, such as tracks, are still visible, they soon will be scarce. On the coldest winter days, raccoons will seek shelter in hollow trees, sometimes holing up for as long as a month at a time. Communal denning sometimes occurs, with up to 23 raccoons having been found in the same den. Considered “deep sleepers,” raccoons do not lower their metabolism significantly, and therefore are not considered true hibernators.

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Common Mergansers Migrating

11-14-14  common mergansers 120Common Mergansers are hardy, fish-eating, cavity-nesting ducks that can be found in New England year round, as they winter as far north as open water allows. However, the birds we see in the winter on large bodies of water most likely are not the same birds that breed here. All North American populations of Common Mergansers migrate, generally short to intermediate distances. Populations near the coast move only short distances, while more interior birds migrate farther. Heavier birds and adult males seem to tolerate colder winter temperatures and remain farther north than immature birds. They can often be seen on large lakes and rivers, as well as the coast, where they form small groups that may gather into large numbers at favored sites.

Migrating Common Mergansers tend to leave late in the fall (this week marks the peak of their fall migration), making them often the last waterfowl migrants to head south. Common Mergansers typically migrate over land at night, and along seacoasts or major river systems by day. In the spring, adult males return north first as soon as open water is available, followed by females a few weeks later. (Photo: 2 juvenile Common Mergansers) Thanks to canoe-steadying Sadie Richards for making it possible for me to take this photograph.

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Sign of Beaver Activity

beaver scat 041Beavers are meticulous housekeepers, in that they almost always defecate in the water, not in their lodge, and rarely on land. Because of this, it is rare to see their scat, but fall is as good a time as any to look for it (should you wish to see it).

In preparation for winter, beavers are repairing their dams and lodges, and stock-piling a winter food supply pile of branches in the pond near their lodge. They spend a lot of time working in the water in one area, which means that signs of their presence, including scat, are plentiful in these areas. If you look in the water along a beaver dam at this time of year, it’s highly likely that you will find light-colored, kumquat-size pellets, which, as you might expect, are full of tiny bits of woody fiber. The pellets are essentially little balls of sawdust, and disintegrate easily. (Handling, for those tempted to do so, is discouraged due to giardia or “beaver fever.”)

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Millipedes Migrating

11-11-14 millipede IMG_8982We don’t often see millipedes because of their preference for secluded, moist sites where they feed on decaying vegetation and other organic matter. Compost piles, heavily mulched shrub or flower beds, rotting logs, or the soil under logs and stones are likely spots to find these arthropods. Millipedes overwinter as adults, and have been seen migrating in the fall, presumably in search of overwintering sites that will provide them with some protection.

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