air
area
attraction
biological
biology
bird
birdwatching
blue
breeding
cloudscape
colorful
common
cranes
ecosystem
environment
fauna
flocks
flora
fly
group
grus
high
impressive
independence
interest
landmark
location
migrating
move
nobody
outdoors
overcast
peacefully
scenery
sightseeing
silhouettes
sky
skyscape
spain
spectacular
spring
stopover
tourism
travel
view
watching
wedges
wilderness