Earth & Environmental Sciences
annual cycle
27%
antigen
11%
antioxidant
24%
aridity
16%
bird
92%
blood
10%
body mass
31%
breeding
23%
breeding season
13%
coexistence
11%
defense
33%
diet
11%
ecology
19%
ectoparasite
13%
egg
10%
egg rejection
11%
energy conservation
10%
exposure
14%
facilitation
11%
flagellate
11%
freeze-thaw cycle
12%
hemoparasite
36%
host specificity
14%
immune response
37%
immune system
16%
index
16%
infection
55%
lesion
9%
lipid
11%
loss
10%
lysis
22%
natural area
11%
nest
27%
nestling
92%
parameter
9%
parasite
31%
passerine
53%
phenology
10%
polymerase chain reaction
11%
predation
9%
predator
16%
radiotelemetry
15%
raptor
13%
rate
10%
reproductive effort
9%
stopover
27%
swelling
9%
trade-off
16%
urbanization
10%
winter
13%
Agriculture & Biology
agglutination
16%
animals
16%
autumn
24%
bacterial infections
17%
birds
100%
breeding
21%
breeding season
14%
Carassius
12%
cerebrosides
13%
Columba oenas
17%
Cuculidae
12%
Cuculus canorus
14%
diet
12%
dry environmental conditions
15%
duration
12%
ecologists
13%
ecology
36%
energy
12%
energy conservation
12%
Falco tinnunculus
14%
flight
17%
freeze-thaw cycles
11%
gender
11%
haptoglobins
51%
hemolysis
15%
hemoparasites
27%
immune response
14%
immune system
19%
immunoglobulins
22%
infection
25%
innate immunity
18%
Lake Baikal
13%
life history
19%
nestlings
68%
nests
16%
Netherlands
44%
Oenanthe oenanthe
15%
parasites
22%
Parus major
11%
Plasmodium
11%
predators
14%
radio telemetry
16%
sex determination analysis
12%
stopover sites
14%
telomeres
18%
trichomoniasis
14%
Turdus merula
17%
urbanization
14%
water birds
11%
winter
21%
Medicine & Life Sciences
Acute-Phase Proteins
5%
Acute-Phase Reaction
13%
Agglutination
14%
Animals
14%
Anorexia
5%
Antigens
6%
Antioxidants
7%
Birds
79%
Body Mass Index
6%
Body Temperature Regulation
6%
Breeding
27%
Budgets
10%
Cerebrosides
13%
Color
7%
Cornea
8%
Crows
13%
Darkness
6%
Ecology
11%
Endotoxins
9%
Feathers
9%
Growth
10%
Haptoglobins
47%
Hemagglutination
10%
Hemolysis
10%
Hot Temperature
7%
Humoral Immunity
9%
Immune System
25%
Infectious Disease Transmission
5%
Influenza in Birds
11%
Innate Immunity
29%
Islands
5%
Life History Traits
7%
Light
6%
Lipids
6%
Lipopolysaccharides
10%
Microbiota
9%
Oenanthe
6%
Orthomyxoviridae
9%
Physiological Phenomena
7%
Raptors
29%
Reproduction
6%
Resource Allocation
11%
Skin
5%
Svalbard
8%
Telomere
10%
Temperature
6%
Urbanization
13%
Water
6%