. Control of injurious rodents in California. Rodents; Mammals; Zoology, Economic. 1933 Control op Injurious Rodents 33 and are now known to feed on sprouting seeds and on l)ull)s to a limited extent. Methods of Control.—On the average, moles are more difficidt to con- trol than pocket gophers. Their extensive runs and tunnels generally preclude the use of gas, they do not always take poisoned baits placed for them, and trapping is slower. 1. Trapping: For individuals or small numbers of moles, the per- sistent use of traps is recommended. Even the ordinary Macabee trap will sometimes catch a
. Control of injurious rodents in California. Rodents; Mammals; Zoology, Economic. 1933 Control op Injurious Rodents 33 and are now known to feed on sprouting seeds and on l)ull)s to a limited extent. Methods of Control.—On the average, moles are more difficidt to con- trol than pocket gophers. Their extensive runs and tunnels generally preclude the use of gas, they do not always take poisoned baits placed for them, and trapping is slower. 1. Trapping: For individuals or small numbers of moles, the per- sistent use of traps is recommended. Even the ordinary Macabee trap will sometimes catch a mole if set in the lateral tunnel; the modified. Fig. 10.—Mole traps and wooden traps for rats and mice. Macabee (fig. 56) is even more useful. Several special types are also available. "Choker loop" traps are used successfully against moles in the Pacific Northwest, in the Middle West, and in Europe, but these seem not to have gotten into the California trade to any extent. These traps have two loops of wire or metal which are pressed down to encircle a run and set off by a pan type of trigger over the top of the run. Two traps commonly offered by the hardware trade in California are the Out-o'-sight and Reddick traps (fig. 10). These are constructed so as to be set astride of a surface runway ; each is equipped with a trigger "pan" that is to be pressed down on the top of the run. When the mole comes along, the upward pressure of its body releases the trap. The first-named trap is a "scissor-jaw" type, while the second has a series of downward directed spears. The spring of the first causes the two pairs of jaws to clamp the animal firmly and fatally; the spears of the second are driven downw^ard through the earth and into the mole's body. The choker loop is generally reported to be the most effective; the spear type, least so. The latter has the disadvantage of puncturing the mole's skin, thus re- ducing its value if it is to be saved as fur
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