Agricultural and Biological Sciences
Circus
100%
Flight
79%
Annuals
43%
Spring
39%
Breeding Season
34%
Arable Land
29%
Breeding Site
29%
Wintering Grounds
29%
Europeans
29%
African
22%
Normalized Difference Vegetation Index
22%
Vole
22%
Diptera
18%
Population Size
16%
Overwintering
16%
European Honey Buzzard
14%
Wind Turbine
14%
Survival Rate
14%
Mugilidae
14%
Nestling
14%
Chroicocephalus
14%
Grassland
14%
Kestrel
14%
Hen
14%
Estuaries
14%
Chick
14%
Telemetry
12%
Migratory Bird
12%
Food Availability
11%
Climate Change
11%
Clupeidae
7%
Otolith
7%
Population Density
7%
Savanna
7%
National Parks
7%
Migratory Species
7%
Immatures
7%
Cichlidae
7%
Nesting Site
7%
Circus Aeruginosus
7%
Feces
7%
Rotors
7%
Keyphrases
Montagu's Harrier
46%
Harrier
35%
Daily Distance
25%
Long Distance
19%
Winter Ecology
19%
Netherlands
19%
Circus Pygargus
18%
Migrants
18%
West Africa
16%
Agricultural Landscape
14%
Migratory Raptor
14%
Itinerancy
14%
Environmental Conditions
14%
Double Jeopardy
14%
Wintering Grounds
14%
Flight Distance
14%
Over-summering
14%
Hourly Scale
14%
Seasonal Flight
14%
Regional Flight
14%
Sub-annual
14%
Slender-billed Gull
14%
Chroicocephalus Genei
14%
GPS Tracking Data
14%
Marsh Harrier
14%
Belgium
14%
Africa
13%
Spring Migration
13%
Sahel
12%
Breeding Season
11%
GPS Tracker
10%
Lesser Kestrel
9%
Breeding Area
9%
Dutch
9%
Crosswind
8%
Dry Year
7%
Home Range Size
7%
Wintering Sites
7%
Mugilidae
7%
Habitat Use
7%
Turbine Rotor
5%
Tailwind
5%
Daily Travel Distance
5%