Agriculture & Biology
flight
100%
birds
75%
Pandion haliaetus
49%
autumn
42%
Arctic region
39%
radar
27%
songbirds
23%
Pernis apivorus
20%
migratory birds
20%
birds of prey
18%
travel
17%
breeding sites
17%
telemetry
16%
Gallinago media
16%
breeding
15%
migratory behavior
15%
Sweden
14%
Apodidae
13%
Circus
13%
Cyanistes caeruleus
12%
stopover sites
12%
geese
12%
Circus aeruginosus
12%
Sahara Desert
12%
Branta bernicla
11%
Apus
11%
tundra
11%
wind speed
11%
Lanius collurio
10%
duration
9%
winter
9%
weather
8%
wintering grounds
8%
foraging
8%
Falco
8%
ecology
7%
animals
7%
Acrocephalus arundinaceus
7%
recreation
6%
migratory connectivity
6%
Oenanthe oenanthe
6%
longitude
6%
energy
6%
prediction
5%
habitats
5%
Greenland
5%
environmental factors
5%
logging
5%
Sterna paradisaea
5%
Siberia
5%
Earth & Environmental Sciences
bird
74%
flight
57%
passerine
40%
stopover
29%
wader
25%
breeding
24%
songbird
23%
speed
22%
autumn
21%
migration route
20%
raptor
18%
radar
13%
migratory bird
13%
travel
12%
telemetry
12%
annual cycle
12%
honey
11%
breeding site
10%
tundra
8%
roosting
8%
Africa
8%
Beringia
8%
Europe
7%
flight behavior
6%
winter
6%
weather
6%
marsh
5%
ecology
5%
moth
5%
Wadden Sea
5%
hemoparasite
5%