Agriculture & Biology
teeth
100%
Castor canadensis
87%
Castoridae
77%
Spermophilus
76%
fossils
73%
ground squirrels
71%
hibernation
63%
tooth enamel
38%
photoperiod
34%
dates (fruit)
29%
death
28%
weather
24%
rodents
23%
temperature
22%
summer
18%
time series analysis
16%
Urocitellus parryii
15%
Richardsonius
15%
Spermophilus richardsonii
15%
microscopes
13%
eyes
11%
ambient temperature
10%
caves
10%
winter
9%
parturition
9%
lactation
7%
gender
5%
sampling
5%
Medicine & Life Sciences
Hibernation
82%
Sciuridae
82%
Incisor
59%
Ligaments
54%
Dentin
49%
Collateral Ligaments
43%
Elbow
34%
Dental Enamel
29%
Ulna
28%
Terminology
22%
Anatomy
18%
Porcupines
16%
Ankle Lateral Ligament
15%
Caves
13%
Cadaver
11%
Lactation
10%
Dissection
9%
Cheek
9%
Tooth
6%
Parturition
6%
Earth & Environmental Sciences
hibernation
81%
paleobiology
78%
seasonality
52%
fossil
46%
enamel
31%
photoperiod
28%
rodent
14%
tooth
14%
Pleistocene
14%
trend
14%
parturition
13%
lactation
13%
temperature
10%
weather
9%
cave
8%
summer
8%
leveling
7%
temperature change
6%
young
6%
animal
6%