Family · Tyrannidae · Passeriformes

Tyrant Flycatchers Population Trends

31 species tracked, ordered by long-term trend. Steepest declines first.

Tyrant Flycatchers species ranked by population trend.
History
Gray KingbirdAerial insectivores-97%1969
Least FlycatcherAerial insectivores-55%1968
Scissor-tailed FlycatcherAerial insectivores-50%1969
Eastern KingbirdAerial insectivores-48%1968
Northern Beardless-TyrannuletAerial insectivores-22%1971
Great Crested FlycatcherAerial insectivores-16%1968
Eastern Wood-PeweeAerial insectivores-13%1968
Eastern PhoebeAerial insectivores-1%1968
Acadian FlycatcherAerial insectivores+35%1968
Yellow-bellied FlycatcherAerial insectivores+36%1968
Willow FlycatcherAerial insectivores+45%1968
Western KingbirdAerial insectivores+49%1969
Greater PeweeAerial insectivores+58%1977
Cassin's KingbirdAerial insectivores+72%1970
Brown-crested FlycatcherAerial insectivores+165%1969
Olive-sided FlycatcherAerial insectivores+171%1968
Alder FlycatcherAerial insectivores+178%1968
Dusky-capped FlycatcherAerial insectivores+221%1970
Great KiskadeeAerial insectivores+226%1969
Vermilion FlycatcherAerial insectivores+268%1969
Say's PhoebeAerial insectivores+294%1969
Ash-throated FlycatcherAerial insectivores+319%1969
Western Wood-PeweeAerial insectivores+326%1969
Black PhoebeAerial insectivores+339%1970
Dusky FlycatcherAerial insectivores+692%1970
Hammond's FlycatcherAerial insectivores+722%1970
Couch's KingbirdAerial insectivores12×1969
Gray FlycatcherAerial insectivores15×1970
Sulphur-bellied FlycatcherAerial insectivoresn/an/a
Tropical KingbirdAerial insectivoresn/an/a
Thick-billed KingbirdAerial insectivoresn/an/a