Agriculture & Biology
birds
100%
Ascension
55%
Laridae
49%
seabirds
48%
egg shell
45%
Parus major
40%
eggs
31%
nests
28%
fistula
27%
calcium
25%
breeding
24%
river flow
20%
Aphelocoma coerulescens
18%
Sulidae
17%
mouth
16%
Sula
16%
pigments
15%
chicks
15%
grouse
15%
reproductive performance
14%
protoporphyrin
14%
tongue
13%
urbanization
13%
dietary supplements
13%
bones
13%
ectoparasites
12%
rivers
12%
Dendragapus
12%
England
12%
Atlantic Ocean
11%
ecology
11%
nestlings
11%
breeding season
11%
predation
11%
urban areas
11%
Picea
10%
life history
10%
climate change
10%
alkaline phosphatase
9%
wildlife
9%
dietary calcium
9%
bone mineralization
9%
citizen scientists
9%
marine protected areas
9%
cats
9%
Pycnonotus
8%
wild birds
8%
egg production
8%
Felis silvestris
8%
Alcedinidae
8%
Earth & Environmental Sciences
bird
76%
seabird
49%
egg
37%
eggshell
29%
breeding
22%
food supplementation
22%
nest
18%
South Atlantic Ocean
16%
breeding bird
16%
ectoparasite
15%
calcium
15%
pigment
14%
scrub
13%
ecology
12%
passerine
12%
flame retardant
12%
food
12%
diet
11%
bird species
10%
dietary shift
10%
ocean
10%
landfill
10%
breeding population
10%
bioindicator
9%
wildlife
9%
egg production
9%
feather
9%
clutch size
9%
population decline
7%
environmental response
7%
body condition
7%
stable isotope
7%
predator
6%
wild population
6%
freshwater environment
6%
etiology
6%
population trend
6%
life history trait
6%
conservation status
6%
subspecies
6%
hatching
6%
terrestrial environment
6%
nest site
6%
river flow
6%
effect
6%
cultural heritage
5%
regulation
5%
garden
5%
ownership
5%
habitat
5%
Medicine & Life Sciences
Birds
34%
Breeding
21%
Egg Shell
17%
Charadriiformes
17%
Corticosterone
11%
Ovum
11%
Eggs
10%
Hydrology
10%
Waste Disposal Facilities
10%
Environmental Biomarkers
9%
Atlantic Ocean
9%
Coturnix
8%
Ecosystem
8%
Flame Retardants
7%
Islands
7%
Genetic Structures
7%
Physiologic Calcification
7%
Maternal Exposure
6%
Rivers
6%
Fresh Water
6%
Microsatellite Repeats
6%
Dietary Supplements
6%
Mercury
6%
Feathers
6%
Population
5%
Population Genetics
5%
Plastics
5%