We evaluated the accuracy and precision of tooth wear for aging gray wolves (Canis lupus)
from Alaska, Minnesota, and Ontario based on 47 known-age or known-minimum-age …

Background Hibernation has been a key area of research for several decades, essentially in
small mammals in the laboratory, yet we know very little about what triggers or ends it in the …

Книга знакомит читателей с основными методами определения возраста
млекопитающих и дает возможность любому исследователю определить возраст …

We evaluated the accuracy of ages assigned by Matson's Laboratory from examination of
annuli in the cementum of incisor root tips of 111 known-age Rocky Mountain elk (Cervus …

In species in which juvenile survival depends strongly on male tenure, excessive trophy
hunting can artificially elevate male turnover and increase infanticide, potentially to …

Chronic wasting disease (CWD) is a fatal neurodegenerative disease affecting free‐ranging
and captive cervids that now occurs in 24 US states and two Canadian provinces. Despite …

Age is an essential trait for understanding the ecology and management of wildlife. A
conventional method of estimating age in wild animals is counting annuli formed in the …

Background Wildlife populations are difficult to monitor directly because of costs and
logistical challenges associated with collecting informative abundance data from live …

To investigate mechanisms by which hibernators avoid atherogenic hyperlipidemia during
hibernation, we assessed lipoprotein and cholesterol metabolisms of free-ranging …

Validation of age estimation from tooth cementum growth layers was conducted for 32 polar
bears (Ursus maritimus) of known age, by two readers. Both readers correctly estimated age …