urbpan: (dandelion)
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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)
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A chewing noise was reported from the ceiling of this building. I went up on to the roof and found this large gap at the peak.

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This is the view down the gap--rodents have been chewing the wood smooth. Since we don't have roof rats in our part of the country these are most likely gray squirrels or possibly flying squirrels.

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I mostly meshed over the gap, leaving a space for any rodent inside to escape the roof and get caught in a live trap.
urbpan: (dandelion)
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This is a combined effort. A white pumpkin from Drumlin Farm sits in the mouth of a tall orange one we grew in our garden. It was out on the stoop for a few short hours before the local squirrels found it and found it delicious. Still looks pretty cool.
urbpan: (dandelion)
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Which spooky door do you choose? Okay, on to the cutenesses:
Read more... )
urbpan: (dandelion)
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Squishing the squirrel I squish it.

I'm posting today's snapshot today because we're going to Vermont for the weekend and I won't be posting again until Monday. Then I work Monday and HOO BOY are you going to get spammed on Tuesday.
urbpan: (dandelion)


Another glamour shot of pest control fieldwork.

What's the difference between a squirrel and a rat? Squirrels get in the dumpster from above, rats from below.
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So I'm hearing from many on twitter that it's "Squirrel Appreciation Day." It's hard for me to think past the brush-tailed tree rats that chew through wood and plastic building materials and make my life more difficult, but I will try. Sciuridae is big successful family within the big successful Rodentia order. Here are some highlights from this blog:

Read more... )
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Dad and Andy 200 feet underground in a hole that smells of marine carnivore scat. How did we end up here?

Let's find out )
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I have received a request for photos. Fixing them all up while I am traveling is daunting, but I can try to share one a day until I get back:



At Devil's Punchbowl.
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Steph requested a pic of a prairie dog. Well, she requested a pic of a prairie dog fighting a squirrel, and I didn't come across that happening and it would be unethical to engineer it. In fact, this is the only glimpse I've had of any of the prairie dogs in the past couple months. They stay on exhibit during the winter, but are less active.

Prairie dogs are highly social ground squirrels found in the plains of North America. Historically they occurred in huge numbers, and were a keystone species for the plains ecosystem. They had the misfortune of occupying land that humans found to be useful for grazing livestock, and so were assigned the status of pest in their native habitat. Prairie dogs are still shot on sight in many places, though two of five species are listed as Endangered. The wholesale destruction of prairie dog towns led to the near extinction of the black-footed ferret.

Our prairie dogs are black-tailed prairie dogs Cynomys ludovicianus the species which still occurs in the largest numbers. This exhibit holds ten animals (I think) at the moment. The design of the exhibit (actually an old seal pool filled with soil) allows the guests to see the animals very closely. If you make the right kind of kissy noise at them, the prairie dogs will alarm bark and raise their forepaws in an adorable manner. They have a complex array of communication behaviors and probably think that our barking at them is pretty stupid. The prairie dog exhibit is one of the most popular animal exhibits in Children's Zoo.

Thanks for your donation, Steph! I'll be sending the stickers later next week.

If you have a request for a zoo animal you would like me to photograph, simply click the button and donate $5.00 to the New England Chapter of the American Association of Zoo Keepers! Thanks!





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A hawk killed a squirrel outside our office window this weekend. My coworker watched a titmouse pick bits of frozen meat off the carcass. Today the titmouse was chased off by a bluejay, who gorged on bits of icy rodent. Just now I watched another squirrel observe the jay for a few minutes before chasing the bird away from his friend's cold body. Then he tucked in and started eating.

Just as I finished writing that, Sarah Ferenstein, the red-tailed hawk featured in several recent photos, landed at the site and flew away with the cannibalized corpse. Then the titmice returned to pick at the bloody snow.
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Squirrels have become a bigger part of my job lately, since the high acorn production of the past two years has led to a population explosion. They are fascinating urban wildlife, and they are serious nuisance pests destroying wood and plastic structures, building nests in building cavities, and even stealing food from the zoo animals. It seem quite apt that [livejournal.com profile] g_weir would send me these two comic strips:



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This post may have a more narrow audience than most of mine. It may be of interest only me, in fact. This post will help me organize my eventual presentation about my class.

This picture shows the now-repaired electronics in the First Impressions exhibit. When it was originally built, the wiring was exposed. The electronics controlled the shift doors. Soon after the building was completed, mice chewed through the wiring. Repairing the damage cost £3000.

Read more... )
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I keep making mental notes to post links, and my mental notebook is full! Here are some items of interest from the internet, and possibly the real world too.


Courtesy of [livejournal.com profile] g_weir: an excerpt from Seven Ages of Paris by Alistaire Horne, explaining where France's taste for horse may have come from--the seige of Paris )From http://delanceyplace.blogspot.com/

From [livejournal.com profile] anais2: Perhaps dried squirrel is more to your liking?

I discovered this one on my own: Lethal centipede sting! (Includes gory pictures). "Nearly 5,000 centipede bites are reported every year in Turkey." Book your trip now!

In case you missed it in my Soylent Screen review, The apparent origins of the "Futurama" them song!

On this day in 365 Urban Species: Common eider.
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: (cold)


Eastern Gray Squirrel Sciurus carolinensis

Fortunately for squirrels, they eat more than nuts. Like their less-beloved relatives, the mice and rats, squirrels are quite omnivorous. In addition to the seeds of trees, they eat flowers, mushrooms, and baby birds. They are as happy snacking on pizza crusts from a trash can as they are collecting acorns.

The fact that they can eat wild foods and garbage, as well as peanuts and popcorn from city park well-wishers, means that the density of urban gray squirrel populations may be higher than in a forest. Some cities and towns love their squirrels, especially if they are unusually colored. Eastern gray squirrels have spread far and wide from their original range, and can be found on the west coast as well as in Great Britain and Italy. Like many successful urban species, when introduced outside their native range, they become invasive.

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