Linked from
The 116 pages that link to Bird migration, each with the reason it gives.
LapwingRelated: Some lapwing populations migrate between northern breeding grounds and milder wintering areas.
Little egretRelated: Some little egret populations migrate, while others remain near breeding grounds.
Long-tailed duckRelated: Long-tailed ducks move from Arctic breeding grounds to wintering waters.
MerlinRelated: Seasonal movements bring merlins to regions with wintering prey and milder conditions.
MotacillidaeRelated: Many Motacillidae species migrate over long distances or shift seasonally.
PipitRelated: Several pipit species migrate between northern breeding grounds and milder wintering areas.
Red-winged blackbirdRelated: Many populations migrate, while others remain in place or move only short distances.
WallcreeperRelated: Some wallcreepers move to lower elevations in winter rather than remaining at high sites.
Black storkRelated: Many black storks leave temperate breeding grounds for warmer wintering regions.
Black-headed gullRelated: Many populations move south or west after breeding, while others remain in milder regions.
CardinalidaeRelated: Many northern cardinalids migrate between North American breeding and wintering grounds.
Common blackbirdRelated: Many northern populations migrate, while milder-region populations may remain resident.
CoraciidaeRelated: Some rollers, including the European roller, migrate seasonally.
DelichonRelated: Delichon species migrate between northern breeding grounds and warmer winter regions.
Eared doveRelated: Some eared dove populations move in response to seasonal food and environmental conditions.
ElaninaeRelated: Migratory routes and wintering grounds remain key research topics for several members.
EmberizaRelated: Several Emberiza species migrate between Eurasian breeding and wintering grounds.
Eurasian penduline titRelated: Some populations move seasonally, affecting when and where the species is encountered.
European robinRelated: Some European robin populations migrate, while others remain resident year-round.
European shagRelated: Many European shags remain near their breeding regions, while juveniles may disperse farther.
Gang-gang cockatooRelated: Some populations move between higher elevations in summer and lower areas in winter.
GnatcatcherRelated: Some gnatcatcher species move seasonally, while others remain largely resident.
Greater painted-snipeRelated: Movements vary across the species' broad range, especially with rainfall and local water conditions.
IcteridRelated: Many icterids migrate seasonally, while others remain in one region year-round.
LarusRelated: Migration connects breeding and wintering populations of multiple Larus species.
LocustellidaeRelated: Migration shapes the seasonal presence of several locustellid species.
Old World orioleRelated: Some Old World orioles, including the Eurasian golden oriole, migrate seasonally.
PatagonaRelated: Some giant hummingbird populations move seasonally along the Andes.
RynchopsRelated: Some skimmer populations move seasonally as water conditions and food availability change.
Scops owlRelated: Some scops owls, including the Eurasian scops owl, migrate seasonally.
TreeswiftRelated: Seasonal movements help explain how some treeswift populations use changing habitats.
TringaRelated: Many Tringa species undertake long seasonal journeys between wetlands.
Vertical draftRelated: Soaring migrants use thermals to travel long distances with little flapping.