Agriculture & Biology
flight
100%
radar
90%
birds
47%
autumn
39%
songbirds
35%
radio telemetry
23%
Sweden
19%
breeding sites
18%
Accipiter
17%
insects
15%
Apus
14%
Buteo buteo
14%
migratory birds
13%
travel
11%
Noctuidae
11%
Arctic region
11%
weather
9%
coasts
9%
duration
8%
solar radiation
7%
monitoring
7%
ecology
7%
moths
6%
Apodidae
6%
information exchange
6%
air
5%
testing
5%
researchers
5%
Earth & Environmental Sciences
passerine
67%
bird
48%
flight
42%
radar
33%
speed
28%
autumn
28%
breeding site
21%
moth
20%
insect
16%
flight behavior
14%
ringing
13%
twilight
13%
songbird
13%
radio
8%
travel
7%
ecology
7%
breeding
6%
migratory species
6%
social behavior
6%
migration route
6%
information exchange
6%
effect
6%
navigation
6%
services
5%
spring (season)
5%
phenology
5%
test
5%
Medicine & Life Sciences
Songbirds
40%
Birds
35%
Insecta
29%
Radar
27%
Moths
22%
Direction compound
22%
Breeding
11%
Solar System
10%
Cues
8%
Light
6%
Air
6%