urbpan: (dandelion)
 photo P1020042_zpsz0qm7kb0.jpg

This eastern chipmunk Tamias striatus is demonstrating its semi-arboreal habits. These small squirrels are primarily forest burrowers, but will escape to trees if a burrow is not available. Their burrows are also where they keep their caches of seeds, making them important in the ecology of forests as seed-disperser. They are broad omnivores, eating a variety of plant, animal, and fungal foods. Hamster-like cheek pouches allow them to transport food.

Eastern chipmunks do well in suburban habitats, as long as there are stone walls and shrubs to serve as refuges from their many predators. Chipmunks are an important vector for tick-borne illnesses, though much less so than Peromyscus mice.
urbpan: (dandelion)
 photo IMG_3631_zpscb17f437.jpg
Tito is an Andean condor. He was featured as Daily Zoo Animal #8.

 photo IMG_3628_zpsd73c7f03.jpg
It took me a while to ascertain that these remains belonged to a chipmunk. Skull shape says rodent, size narrows it down, fur remnants make it more sure. If we had them here it could be a red squirrel. If the chestnut fur weren't there it could have been a flying squirrel. If the tail were present it would have been even easier to eliminate rats from the possibilities.
urbpan: (Deer enclosure)

After I got back from Vermont I discovered there was still snow on the ground in Boston. I took the opportunity to walk the perimeter of one of the zoos to make sure the fence was in good shape, and to see what wildlife had been active. Here a bird (about crow-sized) landed with both talons on the ground then lifted back up.

Read more... )
urbpan: (Default)
A couple of years ago I posted an image I found and titled it 'What "omnivore" really means'. Today, thanks to regretsy, Alexis discovered a similar image. I might have to get myself one of these prints.

it's called 'Morning Muricide' )

Chipmunk

May. 30th, 2007 09:57 pm
urbpan: (pigeon foot)


No snapshot from me today, since I forgot my camera at home. But Alexis took this wonderful urban chipmunk photo, which I will use to replace the photo in the chipmunk 365 Urban Species entry. It seems that a family of chipmunks has moved in to the rat warren in our neighbor's garden. The rats were killed with traps and poison, but the huge amount of seed that the neighbor's put out to feed the pigeons and sparrows attracted new rodent pests. They probably won't poison the chipmunks because they are cuter than rats. But they are basically rats.

On this day in 365 Urban Species: Pumpkinseed.
urbpan: (Autumn)

Photo by [livejournal.com profile] cottonmanifesto.

What makes one rodent cute and another rodent vermin? A furry, rather than scaly tail? Stripes? Cheek pouches? I submit that it is merely context. In the forest, a rodent is an adorable sprite, dashing about gathering nuts. If you are the steward of a collection of captive animals, rodents are filthy thieves, taking food and leaving crap. This sums up my attitude toward chipmunks.

Until fairly recently, I did not consider chipmunks to be urban animals. But once I began to frequent the southern edges of The Emerald Necklace in Boson, my opinion changed. Olmsted Park and Franklin Park are both bristling with chipmunks. They seem to need a fair amount of forest, especially but not exclusively oak forest, and that needs to be messy forest, with rocks and logs for cover. They also need a good stretch of soil (not concrete and asphalt) in which to construct their burrows. Gray squirrels are more common in cities, since they need only the trees as refuge--soil, it seems, is a more rare commodity. Their burrows are where they dart when alarmed, and they are often alarmed. Small mammals survive by being cautious, if not downright twitchy. The burrows are also where they construct their larders of stored acorns and beech nuts. When they aren't eating plant material, they are surprisingly predatory, eating insects, salamanders, and even mice.

Like many rodents, chipmunks are opportunistic, and given access to a food source, they will enter homes and other buildings. As alluded to earlier, one of their favorite haunts is the city zoo.

Here's where I ask you to post your chipmunk pictures in the comments.
urbpan: (Default)
If I had yesterday to live over again, I wouldn't drive three miles with the parking brake on. But we did get to walk around Fresh Pond, (the city of Cambridge's water supply) and they did fix our brakes while we waited (3 1/2 hours).

We got to see the nature of Cambridge, Boston's Ivy League neighbor across the Charles.


two more )
More of the same at [livejournal.com profile] cottonmanifesto

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