Howard H. Dupuie

An Evaluation of Steel Traps for Taking Fur Animals in Coastal Louisianal

During the winters of 1972-73 and 1973-74 an evaluation was made ofthe effectiveness ofthe leg-hold and killing type (Conibear) trap for taking fur animals in coastal Louisiana. The leg-hold trap caught significantly more nutria and raccoons than the Conibear trap. However, the killing type trap appeared to be more effective for taking muskrats in flooded marshes. Approximately 92 percent of the animals caught in the Conibear were killed by the trap, only 15.8 percent died in the leg-hold. Thirty percent ofthe nutria taken in the leg-hold trap were undersize and released. Survival of...

Establishment of a Resident Breeding Flock of Canada Geese in Louisiana)

Canada Geese were released on Rockefeller Refuge in Louisiana in 1960 in hopes of establishing a resident, non-migratory flock. One nest was constructed in 1961; however, the Dumber of nests increased each year and by 1973, 265 nests were located on the refuge. The geese became acclimated to the warmer southern temperatures and adjusted their nesting season accordingly. They tended to nest earlier in the year with succeeding nesting seasons. The earliest nesting date on the refuge was February 19, 1968. Parent geese were allowed to incubate the majority of the nests; however. eggs were...