The Virginia Or Common Opossum (Didelphis Marsupialis) Is a Shy Mar

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The Virginia Or Common Opossum (Didelphis Marsupialis) Is a Shy Mar selves to one of her 13 to 17 teats. Some of its food consists of insects, including many the newborn opossums are unable to locate garden pests, mice, bird eggs, fruit, nuts, ber- an available teat and perish. Those that do ries, carrion, and even garbage. Opossums find attach themselves remain there for about eight plenty to eat in agricultural areas, as well as in weeks until they’re developed enough to leave cities where many people maintain vegetable the pouch for short periods of time. It’s not gardens and fruit trees. unusual for only six to ten young to survive and leave their mother at four months to fend In Your Yard for themselves. It’s not unusual to find opossums around a The adult opossum is about the size of a home in the Bay Area, even away from nearby large house cat and is often described as being open woodlands and grasslands. However, slow and stupid. In fact, when compared to opossums present no real danger to people. he Virginia or common opossum other animals it does have a small brain in (Didelphis marsupialis) is a shy mar- relationship to its body size. Experts offer pets. You may not only be feeding your pet supial that originated in the Eastern several reasons for its survival and successful by leaving food out all the time, but you may Tand Southern United States. It’s now found adaptation: it tends to avoid conflicts with also be feeding opossums, raccoons, skunks, throughout California. Opossums are reported other animals; it will eat anything, animal or and other wild animals. to have arrived on the West Coast in San vegetable, dead or alive; and it produces lots Many Bay Area residents have come to Jose around 1910. The first opossums may of young, often two litters a year. look forward to the harmless comings and have been brought here by travelers, who The opossum hunts for its food during the goings of our local wildlife. To these nature sometimes used them for food. With a little night, except in the winter when it will switch enthusiasts, the natural behavior of wild help from humans, the opossum has spread to hunting in the daytime. In this way it can animals is something special to observe and to almost all habitats for which it is adapted, use the sun to help warm itself up. Most of treasure. from the Coast Range to the foothills of the Sierra-Nevada and throughout the Central What You Can Do if an Opossum is Valley. Because of their shy, retiring nature they go Under Your House or in Your Attic The opossum is the only mammal in out of their way to avoid conflict. They will The first thing to do is wait. Wait a few North America with a pouch for rearing its bite, but only if handled. The opossum is days to determine if the presence of the young. It is distantly related to the kangaroo adaptable and quick to take advantage of a opossum is permanent or temporary. It’s not and other marsupials in both Australia and woodpile, shed, deck, accessible basement, uncommon for an opossum to live for a short New Zealand. Up to eighteen developing or even the attic in a home for a temporary time around an area that has fruit on the young are born after only twelve days of gesta- or seasonal shelter. What may be attracting ground. After the food is gone the opossum tion. After birth, the blind babies make their an opossum to your yard is the presence of will move on. way up through their mother’s abdominal hair vegetables in your garden or fallen fruit on The more attractive a location, the greater and into her pouch, following a path she’s the ground. Another strong attractant for the the likelihood that wild animals will visit. licked for them. There, they attach them- scavenging opossum is food left outside for Two of the most inviting factors are food and Visitor Centers & Recreation Services supply the trap. You must also keep in mind that due to California Fish and Game regula- ARDENWOOD HISTORIC FARM tions, they cannot legally relocate an opossum. Fremont 510-796-0199, [email protected] LIVING WITH The relocation of a wild animal into an already BLACK DIAMOND MINES occupied habitat can increase the pressure for Antioch 925-757-2620, [email protected] available food and hiding places. COYOTE HILLS REGIONAL PARK Sharing the World Together Fremont 510-795-9385, [email protected] Please remember that most wild animals Opossums CRAB COVE at CROWN BEACH that visit our yards are just following their Alameda 510-521-6887, [email protected] instinct for survival. As rational beings, we water. To reduce the likelihood that opossums can learn to understand and live with our wild SUNOL REGIONAL WILDERNESS will visit your yard or buildings, don’t leave neighbors. Sunol 925-862-2601, [email protected] your pet’s food outside overnight. Also, if you TILDEN NATURE AREA/EEC have any fruit trees that are dropping fruit, be and LITTLE FARM sure to clean up the fallen fruit immediately. They’ve learned to live with us. Can Berkeley 510-525-2233, [email protected] To reduce the opportunities for opos- we not learn to live with them? sums to enter your basement or crawl spaces, AQUATICS UNIT 510-690-6620, [email protected] be sure that all access ways and airways are securely sealed. Before sealing any openings, REGIONAL PARKS BOTANIC GARDEN however, be sure that no animals are under c/o Tilden Regional Park, Berkeley the house or in the attic. They may become 510-841-8732 entrapped. If an opossum has already taken [email protected], www.nativeplants.org up residence in your basement or under your deck, you can discourage its continued use of OUTDOOR RECREATION UNIT this space by putting mothballs in the area. Distict-wide programs 510-544-2512 Once you’re sure it’s gone, secure the opening [email protected] that led under the house or deck. This brochure is provided as a public service of If an opossum must be removed because the Interpretive and Recreation Services Depart- you, your pets, or the opossum is in danger, ment of the East Bay Regional Park District. then you’ll need to contact an animal control agency. It’s against state law for private home EAST BAY REGIONAL PARK DISTRICT owners to transport and relocate California 2950 Peralta Oaks Ct., P.O. Box 5381 Text by Paul Ferreira wildlife. Most agencies in the Bay Area will Illustration by Dyami Bol Oakland, CA 94605-0381 East Bay Regional Park District require you to trap the animal first before Photos courtesy of the Opossum Society of the United States. 1-888-EBPARKS www.ebparks.org t C For more information about opossums please contact www.opossumso- TDD phone 510-633-0460 s on Po s they’ll come to remove it. Some agencies may um cietyus.org % 0 e 100% r 10 www.ebparks.org 12/07.
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