Agriculture & Biology
teeth
100%
tooth enamel
77%
Castor canadensis
58%
fossils
56%
Castoridae
51%
Spermophilus
51%
skeletal development
50%
Alces alces
49%
ground squirrels
47%
hibernation
42%
preserves
35%
ungulates
25%
photoperiod
22%
mandible (bone)
20%
dates (fruit)
19%
death
19%
weather
16%
rodents
15%
temperature
15%
population density
13%
summer
12%
metatarsus
11%
time series analysis
10%
Urocitellus parryii
10%
Richardsonius
10%
Spermophilus richardsonii
10%
historical records
10%
food shortages
9%
records (publications)
9%
microscopes
9%
eyes
7%
national parks
7%
ambient temperature
7%
caves
6%
tissues
6%
bones
6%
winter
6%
parturition
6%
sampling
6%
ecosystems
5%
lactation
5%
Earth & Environmental Sciences
enamel
62%
hibernation
54%
paleobiology
52%
seasonality
35%
energetics
34%
preserve
32%
fossil
31%
ungulate
26%
tooth
23%
defect
19%
photoperiod
19%
wild population
18%
food limitation
11%
tissue
10%
rodent
9%
Pleistocene
9%
trend
9%
parturition
9%
lactation
9%
dentition
8%
resource availability
8%
historical record
8%
fossil record
7%
temperature
7%
national park
6%
weather
6%
bone
6%
cave
5%
summer
5%
health
5%
food
5%
leveling
5%
Medicine & Life Sciences
Incisor
78%
Dental Enamel
59%
Hibernation
55%
Sciuridae
55%
Ligaments
36%
Dentin
32%
Rodentia
31%
Collateral Ligaments
29%
Elbow
22%
Ulna
19%
Terminology
15%
Anatomy
12%
Porcupines
10%
Ankle Lateral Ligament
10%
Caves
9%
Mammals
8%
Cadaver
7%
Lactation
6%
Tooth
6%
Dissection
6%
Cheek
6%