Muskrats of Tule Lake Refuge, California
- 1 January 1946
- journal article
- research article
- Published by JSTOR in The Journal of Wildlife Management
- Vol. 10 (1) , 68-70
- https://doi.org/10.2307/3795819
Abstract
Sex and age data were recorded on 1,530, including adults and subadults. A sex ratio of 55:45 (122:100) was found for all ages and ratio of 57 [male] [male] to 43 [female] [female] of sub-adults as compared to 50:50 among adults. Measurements of upper incisors at gum line showed fairly definite segregation between adults and subadults. An average of 14.05 scars of placental attachments were found in 100 adult [female] [female] autopsied. Data obtained indicated there was a loss of 7.87 young (55.7%) per adult [female] from birth to trapping season.This publication has 0 references indexed in Scilit: