How many cubs can a mum nurse? Maternal age and size influence litter size in polar bears
D. M. Folio, J. Aars, O. Gimenez, A. E. Derocher, O. Wiig, S. Cubaynes
This study examines how maternal age and size affect litter size in polar bears using 30 years of data on 231 females, finding age-related changes and size-dependent litter size variations.
bioRxiv · Mar 10, 2019Ecology