Earth & Environmental Sciences
bird
100%
brood size
93%
nest
86%
nestling
79%
fruit
71%
grassland
64%
butterfly
63%
beetle
54%
habitat
54%
parental care
54%
stopover
51%
PCB
50%
predator
48%
larva
38%
rainwater
36%
multiple mating
35%
river
34%
fruit production
33%
population density
33%
bet-hedging
32%
plain
31%
egg
30%
prairie
30%
agricultural land
28%
land conservation
27%
oviposition
26%
snake
26%
agricultural ecosystem
24%
habitat conservation
24%
habitat management
24%
parasitism
23%
bioenergetics
22%
insect
22%
social capital
22%
body mass
22%
sex ratio
22%
winter
21%
habitat selection
20%
food
19%
wildlife
19%
garden
18%
hormone
18%
body size
18%
coastal plain
18%
basin
17%
fitness
17%
effect
17%
rate
16%
shrub
16%
protected area
15%
nest box
15%
resource
15%
temporal variation
14%
urbanization
14%
spatial variation
14%
removal
14%
pulp
13%
North America
13%
contamination
13%
cold
12%
habitat use
12%
rearing
12%
cost
11%
prediction
11%
pine
11%
mortality
10%
fish
10%
grasshopper
10%
loss
10%
demand
9%
vegetation structure
9%
program
9%
seed dispersal
9%
nest predation
9%
allocation
8%
metamorphosis
8%
planting
8%
young
8%
distribution
8%
history
7%
frog
7%
wader
7%
amphibian
7%
generalist
7%
radiotelemetry
7%
vertebrate
7%
modeling
7%
comparison
7%
grass
7%
energy demand
7%
egg size
7%
breeding
6%
temperature
6%
predation
6%
video
6%
survivorship
6%
songbird
6%
pond
6%
odonate
5%
capital formation
5%
Agriculture & Biology
birds
74%
grasslands
65%
habitats
57%
nests
55%
Danaus plexippus
50%
Scolopacidae
50%
Coleoptera
49%
population density
47%
predators
42%
fruits
42%
Spiza americana
40%
tallgrass prairies
37%
Lespesia
36%
basins
35%
Nicrophorus
35%
Morella cerifera
30%
rain
30%
fledglings
28%
Catharus
28%
land management
28%
Tachinidae
27%
Silphidae
26%
Setophaga
26%
parenting
26%
larvae
24%
Rana esculenta
24%
Turdidae
23%
winter
23%
Passeriformes
23%
agroecosystems
22%
temporal variation
22%
prediction
22%
Nymphalidae
22%
snakes
22%
coastal plains
21%
Pinus palustris
21%
habitat conservation
21%
Apocynaceae
20%
forest types
20%
fruiting
20%
nestlings
20%
urbanization
20%
juvenile hormones
20%
spatial variation
19%
tadpoles
18%
parasitism
18%
wildlife
18%
butterflies
18%
habitat preferences
18%
students
17%
eggs
17%
gardens
17%
conservation areas
17%
sex ratio
16%
species recruitment
15%
Ammodramus savannarum
15%
shrubs
15%
hardwood
15%
complement
15%
oviposition
15%
body size
14%
Lepidoptera
14%
predation
13%
field crops
12%
fruit pulp
12%
duration
11%
gender
10%
stopover sites
10%
lowlands
10%
Molothrus ater
10%
managers
9%
instars
9%
vegetation structure
9%
Pinus taeda
9%
fish ponds
9%
phenotypic plasticity
9%
Neovison vison
9%
Procyon lotor
9%
foraging
9%
nest boxes
9%
highlands
8%
exercise
8%
seed dispersal
7%
forbs
7%
experimental design
7%
temperature
7%
Lygaeus kalmii
7%
metamorphosis
6%
stocking rate
6%
planting
6%
amphibians
6%
vertebrates
6%
frogs
6%
roads
5%
survival rate
5%
population size
5%
insects
5%
fruit crops
5%
Nicrophorus orbicollis
5%
Tachycineta bicolor
5%