Weight comparisons and litter size manipulation in Columbian ground squirrels (Spermophilus columbianus) show evidence of costs of reproduction

Body size, litter size, timing of reprod

Body size, litter size, timing of reproduction, and juvenile survival in the Unita ground squirrel,Spermophilus armatus

✍ James F. Rieger 📂 Article 📅 1996 🏛 Springer-Verlag 🌐 English ⚖ 645 KB

The timing of reproduction affected litter size, offspring mass, and offspring survival in the Uinta ground squirrel, Spermophilus armatus, in Grand Teton National Park, Wyoming. Survival of juvenile females to yearling age varied negatively with date of weaning and positively with individual offspr