INIS
diet
100%
variations
93%
birds
83%
populations
72%
intake
68%
kidneys
64%
resources
61%
food
54%
water
53%
capacity
51%
levels
51%
physiology
45%
animals
43%
oxidation
41%
hypothesis
40%
environment
37%
flexibility
37%
salts
37%
habitat
35%
mice
34%
proteins
34%
availability
33%
tissues
29%
communities
28%
values
27%
deserts
27%
juveniles
27%
plasticity
26%
ecology
25%
carbon 13
25%
shape
25%
nitrogen 15
21%
urine
19%
antioxidants
19%
comparative evaluations
19%
climates
18%
acclimation
18%
rodents
18%
stable isotopes
18%
fresh water
18%
width
17%
salinity
17%
energy
17%
feeding
17%
correlations
17%
morphology
17%
distribution
16%
climatic change
16%
ecosystems
16%
cost
16%
Keyphrases
Rufous-collared Sparrow
77%
Passerine
57%
Sparrow
37%
Furnariidae
34%
Foraging Strategy
34%
Cinclodes
27%
Kidney
26%
Zonotrichia Capensis
24%
Oxidative Status
22%
Songbird
22%
Salt Intake
22%
Ovenbird
22%
Passeriformes
22%
Resource Parents
22%
Aerobic Scope
21%
Basal Metabolic Rate
21%
Finch
20%
Digestive Tract
19%
Latitudinal Gradient
18%
Environmental Change
15%
Digestive
15%
Resource Availability
15%
Physiological Response
15%
South America
15%
Phenotypic Plasticity
15%
Intraspecific
15%
Metabolism
15%
Temporal Variation
15%
Niche Variation Hypothesis
14%
Freshwater
14%
Drinking Water Salinity
14%
Digestive Flexibility
14%
Species Distribution
14%
Food Intake
14%
Individual Specialization
14%
Physiological Characteristics
13%
Environmental Fluctuations
13%
Water Habitats
13%
Stable Isotopes
13%
Isotope Measurements
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%
Agricultural and Biological Sciences
Passeriformes
80%
Rufous-Collared Sparrow
72%
Furnariidae
34%
Immunity
25%
Mouse
22%
Urine Osmolality
22%
Digestive System
22%
Digestive Tract
22%
Osmoregulation
22%
Table Salt
22%
Parental Behavior
22%
Intraspecific Competition
20%
Acclimation
20%
Annuals
18%
Water Balance
17%
Body Water
16%
Trophic Level
15%
Food Intake
15%
Food Availability
15%
Phenotypic Plasticity
14%
Marine Resources
14%
Mediterranean Climate
14%
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%
Antioxidant
10%
Feather
9%
Seeds
9%
Cladistics
9%
Bird
8%
Glucuronic Acid
7%
Global Change
7%
Breeding Season
7%
Offspring
7%
Climate Change
7%
Omnivore
6%
