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You are responsible for being able to identify bones, regions, and structures of the skull listed on the subsequent pages and diagrams. Woodchuck •Unlike beaver … Animal Skull ID: Identifying Animal Skulls By Their Teeth Canine skull with clear carnassial and canine teeth (Photo: Wiki Commons). Rodent skulls are distinctive, but it's possible to mistake a rabbit skull (order Lagomorpha) for a rodent. The small skull on the far left that is turned vertically is a striped skunk. All six skulls, shot from above. Used for crafting and classroom identification. A beaver’s skull is thick and burly, made to support huge cheek muscles beavers need to gnaw through trees. • Distance of the two plates between cranial ridges is longer (front to back) than wider (side to side). B. All of our skulls are boiled to clean them. In my previous post about animal skulls I provided you with some basic animal skull identification resources, but in this post I want to help you begin to narrow down what type of animal skull you might have found. Rabbit skulls resemble those … Rabbit: order Lagomorpha. Rabbit, lateral view 3. Animal Skull Dentition. How to identify mammal skulls. Details: The most obvious difference between these species, apart from size, is the relative width of the nasal passage (between the rear molars). Brown Hare, lateral view 2. PAGE INDEX 1. • Strong ridge on top of skull from eye socket to back of skull, forms a straight line backwards when viewed from the side. The small skull on the far right is a Virginia Opossum. Multiply"the"average"length"of"the"skull"from"the"small"box"in" Vole Skull Identification : Answers to Above Photo : Beaver Skull Identification: Vole Skull Articulation: Back to Comparison of Skulls Page D. Write in the characteristics used for your identification. Than we use a whitener to cut the grease and get them nice and clean. Castor Canadensis Skull. … a. Rabbit & Brown Hare, ventral view 4. Note that the beaver skull, which looks similar to the porcupine (but bigger), does have a small sagittal crest. Spring is a good time to look for mammal skulls. The end of winter is a peak period of mortality for many species, and skulls can be found virtually anywhere, but skull identification can be difficult. Beaver •Teeth are flat and dented. • Skull generally longer than 25 mm. • Skull longer and pointer than cotton rat or rice rat. Although species-specific differences exist, many similarities can be found in mammalian skulls. Mammal Skull Identification. You can heat the glue with a hair d ""©"CIBT" Comparative"Animal"Skulls" Page"3" 2.!!Estimate!the!total!length!of!the!original!specimen.!! Part B. Skull Identification. You may be thinking, “Somebody get this critter a toothbrush!” But the orange on … Examine the mammal skulls in Table 1 and compare their teeth with the teeth in Part A. C. Identify the type of animal represented by each skull and write its name next to the skull. Skull Key 6 Glossary of Terms Anterior- front of skull or lower jaw Auditory bulla- bony capsule enclosing middle ear Canine- elongate, unicuspid tooth Carnassial teeth- pair of bladelike teeth (last upper molar and first lower molar) that exhibit a shearing action Cheek teeth-combination of premolars and molars Dental formula- numerical representation of the number of each kind of tooth on one After cleaning we use a small bead of hot glue to keep all the jaws in place. The skull in the middle is a average-sized groundhog. The top two are a large raccoon (left) and a large American badger (right). In this exercise, you will compare the skulls of the coyote (Canis latrans) and beaver (Castor canadensis). Muskrat •Similar to beaver but teeth are flat.

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