INIS
diet
100%
variations
92%
birds
84%
populations
71%
intake
69%
kidneys
65%
water
54%
food
53%
capacity
52%
resources
51%
levels
50%
physiology
46%
animals
44%
oxidation
41%
hypothesis
40%
environment
37%
flexibility
37%
salts
37%
habitat
36%
mice
34%
proteins
34%
tissues
30%
communities
28%
values
28%
deserts
28%
plasticity
27%
ecology
26%
carbon 13
25%
shape
25%
availability
22%
nitrogen 15
21%
urine
19%
antioxidants
19%
climates
18%
acclimation
18%
rodents
18%
fresh water
18%
salinity
18%
energy
18%
feeding
17%
comparative evaluations
17%
stable isotopes
17%
correlations
17%
morphology
17%
distribution
17%
width
16%
ecosystems
16%
cost
16%
juveniles
16%
immunity
16%
Keyphrases
Rufous-collared Sparrow
76%
Passerine
58%
Furnariidae
34%
Cinclodes
27%
Kidney
27%
Sparrow
26%
Zonotrichia Capensis
25%
Oxidative Status
23%
Songbird
23%
Salt Intake
23%
Foraging Strategy
23%
Ovenbird
23%
Passeriformes
23%
Aerobic Scope
22%
Basal Metabolic Rate
22%
Finch
20%
Digestive Tract
19%
Latitudinal Gradient
18%
Environmental Change
16%
Digestive
16%
Physiological Response
15%
South America
15%
Phenotypic Plasticity
15%
Intraspecific
15%
Metabolism
15%
Niche Variation Hypothesis
14%
Freshwater
14%
Drinking Water Salinity
14%
Digestive Flexibility
14%
Species Distribution
14%
Food Intake
14%
Physiological Characteristics
13%
Water Habitats
13%
Stable Isotopes
13%
Isotope Measurements
13%
Temporal Variation
13%
Geographic Variation
11%
Metabolic Water
11%
Triple Oxygen Isotopes
11%
Urine Osmolality
11%
Dehydration
11%
Renal Morphology
11%
Cis-regulatory Changes
11%
Adaptive Radiation
11%
Niche Modeling
11%
Energetic Cost
11%
Metabolic Response
11%
Osmoregulation
11%
Ecological Niche
11%
Environmental Gradients
11%
Agricultural and Biological Sciences
Passeriformes
81%
Rufous-Collared Sparrow
70%
Furnariidae
34%
Immunity
26%
Mouse
23%
Urine Osmolality
23%
Digestive System
23%
Digestive Tract
23%
Osmoregulation
23%
Table Salt
23%
Intraspecific Competition
21%
Acclimation
20%
Annuals
18%
Water Balance
17%
Body Water
16%
Food Intake
15%
Phenotypic Plasticity
14%
Marine Resources
14%
Mediterranean Climate
14%
Trophic Level
12%
Physiological Response
11%
Penguin
11%
Pygoscelis
11%
Octodon Degus
11%
Foraging
11%
Endotherm
11%
Energy Intake
11%
Marine Environment
11%
Adaptive Radiation
11%
Postnatal Development
11%
Animal Performance
11%
Ingestion
11%
Repeatability
11%
Secondary Metabolite
11%
Intraspecific Variation
11%
Oxidative Stress
11%
Interspecific Competition
11%
Food Availability
11%
Parental Behavior
11%
Antioxidant
10%
Feather
10%
Seeds
9%
Cladistics
9%
Bird
8%
Glucuronic Acid
7%
Omnivore
6%
Nutritive Value
6%
Population Structure
5%
Phenotypic Variation
5%
Hematocrit
5%
