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Showing posts with label weasel. Show all posts
Showing posts with label weasel. Show all posts

Tuesday, April 13, 2010

While Fishing For Belted Fisher, I Spied a Fisher Cat!




Two days ago, while stalking a Belted Kingfisher that was fishing on the Lobster Cove Marsh in Phippsburg, this Fisher nearly jumped on me. It is very rare to see one of these elusive creatures. They are solitary and secretive and generally nocturnal. I had been standing stalk still (get it? I was stalking.) using my open car door for cover. I had stood still so long that I was uncomfortable. I was also hot, but did not dare move to remove my jacket. I had been watching the Belted Kingfisher sitting on a branch and once in a while slamming into the water to take little fish. Quite suddenly, this Fisher appeared bounding along the marsh edge and then slipping into the water. The name of the Fisher, sometimes called a Fisher Cat, implies that its diet is of fish though it seldom eats aquatic organisms. Early Dutch settlers noted its similarity to the European polecat (Mustela putorius). Fitchet is a name derived from the Dutch word visse which means 'nasty'. To debunk another misconception, they are not really very nasty. In fact, this largest member of the weasel family is quite timid. They eat mostly rabbits and porcupines and are one of the few animals that will pursue and attack porkies. Contrary to popular myth, they don't toss over the porky and eat its belly like a melon. They repeatedly bite the face of the porky, until they kill it. It takes about 30 minutes. Fishers are generalist predators and will also eat carrion. Perhaps another reason it came so close to me was because I was downwind in a steady breeze (it would be really juvenile to make a rude remark here, don't you think?). Fishers do have a call issued at night from the conifer woods they prefer that is a wild-crazy-person-killing-somebody sound. We hear it frequently at night.  I've often thought that someone was being harmed and have thought of calling the sheriff on more than one occasion. I've got an audio clip below so you can hear it. When I play this, our dogs get all cranked up barking and running around. It's not uncommon for them to start barking in the middle of the night when they hear this shrieking. The pelts of fishers were so popular that by the mid eighteen hundreds they had been nearly wiped out in New England. Fishers reproduce once a year. They don't hang out with each other unless to mate in late March and early April. Then, the female delays embryo implantation until the following February when active pregnancy begins. She gives birth about 50 days later, usually in a hollowed out tree. She'll have 1-6 kits. The adults are about 35-40" long and weigh around 10 pounds. The males are a little bigger than the females. The largest recorded Fisher weighed in at twenty pounds. They will eat cats and attack dogs, but not people. Nonetheless, this one was big enough that I would not have wanted it coming at me and in a bad mood.


Play this with your volume up for a real hair-raising noise. Because we have lots of conifers and lots of Porcupines, we have lots of Fishers, though this is the first one I've ever seen. Are you wondering where the Belted Kingfisher photos are? Hold your horses; I'll put them on the next post.

Wednesday, September 2, 2009

"Don't Blink, It's Another MINK!"





I have noticed an abundance of these American Mink along the shore this year. A few nights ago, I was having cocktails with a neighbor. We were sitting on her porch overlooking the water. Suddenly, a mink bounced onto the lawn, stood on it's hind legs while studying us, then bounced away back down to the rocks. I have seen them numerous times in front of our house while NOT under the influence of Martinis. Our dog yodels wildly when he sees one darting amongst the rocks. I took these photos on Little Wood Island which sits about two miles off the coast of Phippsburg on the west side. This is an American Mink. You can tell it's not a European Mink by its accent. Actually, European Minks are distinguishable by a white mark on their head. They are an introduction to our ecology and do not fare as well as the American Mink. Our mink eats anything. In the wild they eat small fish and other marine life caught in tidal pools and small birds. I've seen them most often at low tide, hunting the stranded amongst the cracks of rocks and sea weed. Rabbits are reported to be their favorite food. I've never seen a rabbit here. Perhaps they've eaten them all. There aren't any Common Eiders' nests on Little Wood Island anymore, reportedly because the mink have consumed them. In captivity on mink farms, where they are raised for fur, they eat expired cheese and dairy products and dog food. A lobster fisherman I know complains that if he leaves sandwiches or chips overnight on his boat the the mink climb aboard and steal his lunch. I'm sure that European Mink eat foi gras, scones and vichyssoise which is why they have not done as well here. Certainly, they would look down their noses at dog food or fouled cheese. Mink are territorial. A single male will defend an area of several miles around a pond edge or a strip of coastline. I've seen more than one here, so I'm guessing they were this year's kits. Mink have one litter a year of about 6 kits. They can retain embryos until it's suitable to give birth, but this usually takes place in the spring. They are about 18" from head to tail end and have rich, chocolaty fur. Lovely as the fur is, my first thought on seeing them has never been "Hey! I think I'll kill a whole lot of them and make a coat!" Who comes up with that stuff anyway?