adaptation
agriculture
avian
biodiversity
bird
birdwatching
breeding
call
conservation
conservation status
courtship
diet
ecological niche
ecosystem
environment
evolution
foraging
graceful
grasslands
green
habitat
hatchlings
insectivorous
iucn
lakes
mating
meadows
migration
monogamous
natural selection
nature
nesting
ornithology
parental care
passerine
plumage
population decline
predator
rivers
small
song
species diversity
streams
threatened
urban
vocalization
western yellow wagtail
wetlands
wildlife
yellow