Agricultural and Biological Sciences
Acclimation
14%
African
31%
Alaudidae
19%
Annuals
84%
Arable Land
5%
Arid Zones
12%
Aves
8%
Avian Species
17%
Basal Metabolism
6%
Biological Sciences
25%
Body Condition
12%
Body Size
10%
Body Temperature
40%
Breed
22%
Breeding Season
21%
Breeding Site
16%
Brood Parasitism
32%
Calidris
13%
Calidris canutus
26%
Case Study
11%
Chick
23%
Cladistics
44%
Clutch Size
16%
Corticosterone
18%
Corvidae
8%
Cuculus canorus
6%
Drinking Water
12%
Dry Season
22%
Ecologist
11%
Energy Budget
13%
Energy Intake
5%
Energy Requirement
10%
Environmental Factor
10%
Escape Behavior
11%
Escherichia coli
16%
Europeans
35%
Evolution
39%
Exhalation
5%
Fatty Acids
7%
Feather
23%
Feces
11%
Feed Supplementation
11%
Feeds
6%
Field Metabolic Rate
29%
Flight
22%
Food Availability
49%
Food Intake
8%
Fox
11%
Functional Diversity
6%
Grassland
11%
Haptoglobin
41%
Hatching
17%
Hemagglutination
9%
Heritability
6%
Immune Response
15%
Immune System
21%
Innate Immunity
32%
Intestine
8%
Intraspecific Variation
5%
Leukocyte
16%
Life History
100%
Lowlands
7%
Lymphocyte
9%
Lysozyme
10%
Mating System
5%
Microclimate
6%
Natural Selection
14%
Nestling
85%
Ontogeny
8%
Parus Major
5%
Passeriformes
18%
Phenotypic Variation
6%
Phylloscopus
11%
Physiological Response
15%
Plumage
6%
Predation
72%
Prevalence
6%
Prolactin
5%
Pycnonotus
16%
Radio Transmitter
8%
Repeatability
13%
Reproductive Success
15%
Reproductives
35%
Resource Allocation
7%
Rural Population
5%
Savanna
6%
Scolopacidae
8%
Seeds
6%
Spring
6%
Stomach
11%
Stratum Corneum
17%
Survival Rate
6%
Temperate Zones
13%
Thermoregulation
6%
Turdus merula
40%
Vulpes vulpes
8%
Wet Season
21%
Wild Birds
9%
Wintering Grounds
7%
Zebra Finch
17%
Immunology and Microbiology
Acute Phase Protein
8%
Acute Phase Response
5%
Adaptation
5%
Air Temperature
7%
Antigen Response
5%
Antigen-Antibody Interaction
8%
Antimicrobial Activity
5%
Antiparasitic Agent
5%
Bacterial Load
5%
Bacteroidetes
5%
Basal Metabolic Rate
24%
Bird
65%
Blood Plasma
15%
Body Mass
25%
Brood Parasite
9%
Candida Albicans
14%
Cellular, Subcellular and Molecular Biological Phenomena and Functions
5%
Chick
5%
Circannual Rhythm
29%
Cloaca
7%
Columba Livia
11%
Columbidae
8%
DNA Sequence
5%
Dynamics
18%
Egg Size
5%
Energy Expenditure
11%
Environmental Temperature
9%
Eosinophil Granulocyte
7%
Escherichia coli
15%
Evaporation
27%
Firmicutes
5%
Flight
5%
Fox
5%
Genetic Variability
5%
Gut Microbiome
6%
Hemagglutination
6%
Hematocrit
5%
Host Resistance
6%
Immune Response
11%
Immune System
17%
Immunity
23%
Immunoassay
5%
Immunoglobulin Y
6%
Immunology
13%
Inbreeding
8%
Infectious Agent
11%
Innate Immune System
24%
Intestine Flora
19%
Leukocyte
13%
Life History
36%
Life History Trait
8%
Long Distance Migrant
8%
Lysozyme
19%
Metabolic Rate
16%
Microbial Diversity
7%
Microbiome
20%
Microflora
32%
Microorganism
43%
Molting
10%
Morphology
7%
Oxygen Consumption
5%
Passeriformes
17%
Pathogen Load
6%
Phagocytosis
8%
Phylogeny
9%
Predation Risk
5%
Progeny
5%
RNA Gene
6%
Sex Chromosome
5%
Skin Water Loss
5%
Solution and Solubility
5%
Species Richness
5%
Staphylococcus Aureus
11%
Surface Property
5%
Taeniopygia guttata
15%
Taxon
9%
Telomere
5%
Telomere Length
5%
Titer
6%
Turdus
10%
Wader
5%
Keyphrases
Alauda Arvensis
14%
Antiparasitic
5%
Arid Environment
6%
Aridity Gradient
5%
Aseasonal
6%
Basal Metabolic Rate
8%
Between-person
6%
Blackbird
8%
Body Condition
6%
Body Mass
16%
Bulbul
6%
Chick Feed
5%
Cloacal Microbiota
11%
Commercial Poultry
5%
Conspecific Parasitism
5%
Constitutive Immunity
6%
Covariation
11%
Cycle Effect
5%
Developmental Conditions
6%
Disk Halo Size
7%
Distinct Population Segment
5%
Ecological Constraints
5%
Egg Ejection
8%
Egg Recognition
11%
Egg Rejection
7%
Ejector
5%
Environment Adaptation
5%
Environmental Conditions
18%
European Blackbird
5%
Evaporative Water Loss
5%
Field Metabolic Rate
5%
Food Availability
15%
Free-living
7%
Frequency of Occurrence
6%
Geographical Variation
5%
Growth Function
8%
Gut Microbial Community
6%
Gut Microbiota
6%
Haptoglobin
15%
Home Range
7%
Homing pigeons
5%
Host Defense
6%
Immune Defense
5%
Immune Function
50%
Immune Indexes
11%
Immune Parameters
8%
Immune System
8%
Innate Immune Response
13%
Innate Immunity
7%
Intercalibration Exercise
5%
Invertebrate Availability
11%
Invertebrate Biomass
6%
Invertebrates
9%
Larks
39%
Life History
8%
Metabolic Traits
8%
Microbial Load
6%
Milky Way
6%
Nest Predation
8%
Nest Predation Risk
8%
Nestling Growth
6%
Netherlands
8%
Nitric Oxide
12%
Non-breeding
8%
Ornithology
5%
Pace of Life
8%
Parasite Diversity
7%
Parasite Eggs
6%
Parasitism Resistance
5%
Partial Migrant
8%
Passerine
12%
Physiological Adjustment
7%
Physiological Characteristics
10%
Population Synthesis
6%
Predation Risk
7%
Rainfall
13%
Red Knot
5%
Saudi Arabia
5%
Seasonal Variation
7%
Skylark
15%
Stable Isotopes
5%
Stellar Halo
8%
Successful Resistance
5%
Temperate Areas
6%
Temperate Zone
7%
Temperature Effect
5%
Thermal Regime
5%
Thick Disk
10%
Thin Disk
11%
Time Reproduction
5%
Tmax
8%
Trichomonosis
5%
Tropical Area
12%
Tropical Birds
6%
Tropical Environment
18%
Turdus Merula
12%
Water Energy
5%
Water Flux
5%
Year-round Breeding
19%
Zebra Finch
12%