Medicine & Life Sciences
Birds
100%
Starlings
93%
Costs and Cost Analysis
57%
Perches
44%
Isotopes
42%
Calibration
27%
Basal Metabolism
17%
Indirect Calorimetry
16%
Bicarbonates
14%
Energy Metabolism
12%
Temperature
9%
Earth & Environmental Sciences
flight
78%
bird
77%
cost
48%
comparison
38%
isotope
14%
flight behavior
10%
energy
9%
calibration
8%
rate
8%
calorimetry
6%
bicarbonate
6%
expenditure
6%
corridor
6%
energetics
5%
phylogenetics
5%
measuring
4%
temperature
2%
analysis
1%
Agriculture & Biology
flight
78%
birds
56%
Sturnidae
36%
isotopes
17%
perch
13%
energy costs
12%
calibration
11%
Nectarinia
10%
Palestine
8%
Sturnus vulgaris
7%
basal metabolic rate
7%
calorimetry
6%
energy expenditure
6%
bicarbonates
6%
interspecific variation
5%
foraging
4%
phylogeny
3%
methodology
3%
temperature
2%