Agriculture & Biology
Parus major
100%
birds
54%
breeding
30%
geese
30%
climate change
27%
swans
26%
foraging
23%
personality
23%
songbirds
20%
dates (fruit)
19%
Cyanistes caeruleus
17%
nestlings
16%
Lepadidae
15%
migratory birds
15%
Arctic region
15%
phenology
15%
habitats
14%
Netherlands
13%
nests
13%
Operophtera brumata
13%
clutch size
13%
fledglings
13%
breeding sites
12%
temperature
12%
life history
12%
animal communication
11%
animals
11%
eggs
11%
flight
11%
ecology
11%
herbivores
10%
gender
10%
Ficedula hypoleuca
10%
winter
9%
reproductive success
9%
breeding season
9%
Limosa limosa
9%
chicks
9%
Anas platyrhynchos
9%
environmental factors
9%
wintering grounds
9%
Cygnus columbianus
8%
oviposition
8%
stopover sites
8%
migratory behavior
8%
insect larvae
7%
DNA methylation
7%
demographic statistics
7%
wild birds
7%
Branta
7%
prediction
7%
plasticity
7%
population dynamics
7%
feathers
7%
waterfowl
6%
molting
6%
predators
6%
climate
6%
natural selection
6%
food availability
6%
Haematopus
6%
water birds
6%
hatching
6%
genetic variation
6%
photoperiod
6%
Calidris canutus
6%
testing
6%
organisms
6%
global warming
6%
Anser
5%
population size
5%
Chiroptera
5%
Stuckenia pectinata
5%
heritability
5%
tubers
5%
Taeniopygia guttata
5%
Stercorariidae
5%
predation
5%
Luscinia
5%
paternity
5%
genomics
5%
autumn
5%
phenotypic plasticity
5%
stable isotopes
5%
epigenetics
5%
seed dispersal
5%
energy
5%
Earth & Environmental Sciences
bird
57%
breeding
38%
fitness
24%
egg
18%
laying date
18%
songbird
17%
food
17%
nestling
16%
passerine
16%
clutch size
15%
reproductive success
15%
nest
15%
effect
14%
phenology
14%
stopover
14%
climate change
13%
rate
13%
animal
13%
song
12%
migratory bird
11%
habitat
11%
winter
10%
herbivore
10%
wader
10%
breeding site
9%
tuber
9%
caterpillar
9%
cost
9%
density dependence
9%
ecology
8%
temperature
8%
fledging
8%
life history
8%
insect
7%
body mass
7%
flight
7%
parental care
7%
paternity
7%
heritability
7%
molt
6%
wild population
6%
feather
6%
gene
6%
resource
6%
diet
6%
predator
6%
individual variation
6%
moth
6%
genomics
6%
genetic variation
6%
hatching
5%
sexual conflict
5%
bat
5%
plumage
5%
population dynamics
5%
food availability
5%
methylation
5%
energy
5%
body condition
5%
population size
5%
brood size
5%
decision
5%
waterfowl
5%
seed
5%
energetics
5%
expenditure
5%
sexual selection
5%
herbivory
5%
Medicine & Life Sciences
Birds
42%
Breeding
19%
Songbirds
18%
Climate Change
17%
Population
13%
Personality
10%
Reproduction
9%
Temperature
9%
Light
9%
Ecology
7%
Geese
6%
Ecosystem
6%
Exploratory Behavior
6%
Animals
6%
Netherlands
5%
Clutch Size
5%
Ovum
5%
Climate
5%
Genetic Variation
5%