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Moose & Water

moose shaking 472Moose spend a great deal of time in and near bodies of water, feeding, cooling themselves and avoiding insects. They are powerful swimmers, exhibiting great speed and endurance. Moose have been observed swimming distances up to 12 miles, and are known to occasionally swim from one point of land to another when the distance is shorter by water than by land. (Adult moose usually swim with only their head out of water, whereas yearlings have most of their back exposed.) Moose can spread their hooves, and this is ability is thought to enhance their paddling skills.

Much of a moose’s summer diet is semi-aquatic and aquatic vegetation, thus they feed near shore as well as in deeper water. Studies have shown that moose will dive as deep as 18 feet to obtain submerged plants. It is slightly unsettling to see them totally disappear for up to nearly a minute while foraging under water!

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Moose Pheromones Active During Rut

9-11-14 cow moose urinating 436While the mating season, or rut, for moose peaks between late September and early October, mating behavior can already be observed. It is widely known that male, or bull, moose often paw a pit in the ground, urinate in it and then stomp in it in order to splash their underside, slap the urine with their antlers to disperse it, and lay down in the pit and wallow in their urine, soaking their undersides and neck. Their pungent urine serves as an aphrodisiac for female, or cow, moose, which are attracted to the pheromones it contains. A cow will enter a wallow, aggressively displacing the bull at times and even drink his urine.

However, it’s not just bull moose urine that attracts the opposite sex. The urine of a cow in heat (defined as the two days of their estrous cycle when they will allow a bull to mount them) is equally as attractive to bulls. At this time of their reproductive cycle cows frequently will urinate in the water and along the shoreline of lakes and ponds (look closely at photo).

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Cow Moose Bulking Up for Winter

cow moose head 461


Moose Gaining Fat Reserves

9-10-14  moose standing in water 277Being an ardent admirer of moose, I am devoting today’s post as well as the next two posts to the largest member of the deer family. Even if it weren’t seven to ten feet long and didn’t weigh over a thousand pounds, a moose would be an impressive mammal, with its high, humped shoulders, broad, pendulous muzzle and long, coarse hair.

Moose are voracious eaters, consuming roughly 44 pounds of plant material a day. In the winter their diet, mainly the bark of woody plants, provides only about 70% of the energy they need to survive. Thus, during the spring and summer they spend up to 12 hours a day foraging, often for aquatic plants, and acquire more than 200% of the energy they need. Hundreds of pounds are gained, with the excess stored as fat reserves for the coming months. Even so, moose lose up to 20% of their weight over the winter. (Thanks to all who wished me happy recharging!)

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Recharging Batteries

lazy crazy days of summmer IMG_5693Every creature needs to take time to stretch out, catch their breath, contemplate the fruits of summer past and recharge their batteries. I’ll be doing this in Maine for the next several days with my daughter Sadie. Thank you for your continued support. Naturally Curious posts will resume on September 9th.

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Beechdrops Flowering

9-4-14  beechdrops 249Beechdrops (Epifagus virginiana) are parasitic plants which obtain nutrients from the American Beech tree. They insert a root-like structure called a haustorium into a beech root and absorb enough nutrition to sustain themselves and produce flowers between August and October. Beechdrops belong to a family of plants (Broomrape) whose members live as root parasites. Being annuals, Beechdrops don’t live long enough to damage their host trees. Because they lack chlorophyll and obvious leaves (their leaves are scale-like and pressed flat against their stem), Beechdrops are easily overlooked. Keep an eye on the forest floor near American beech trees for these 5 – 18-inch plants which are flowering right now.

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Juvenile Barred Owls Mastering Flight

barred owl-fractured wing 062Typically Barred Owls in northern New England hatch in May and fledge, or leave their nest, in June at approximately four to five weeks of age. Unlike most young birds, Barred Owl nestlings leave their nest before they can fly. They initially perch on the rim of the nest and then climb to a branch on the nest tree, eventually dropping to the ground and climbing a nearby leaning tree to perch. The parents feed their young from the time they hatch until late summer or early fall. The fledglings begin short flights at approximately 10 weeks of age, attaining longer flights by 12 weeks. The pictured Barred Owl may have been mastering flight when it fractured a wing and ended up on the ground, soaking wet and very vulnerable to predation. (Thanks to Bob Moyer for photo op and Vermont Institute of Natural Science’s Wildlife Rehab staff for setting wing.)

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