like the Saker falcon, have relatively small or inconspicuous malar stripes. These results suggest that malar stripes may serve different purposes depending on the species. For peregrines ...

Prairie Falcon (Falco mexicanus) Abundance in a National Conservation Area in Idaho Has Increased since the 1970s–1990s. 59(1): 1-13. DOI: 10.3356 Notes to Editor: ...

As certain falcons are becoming increasingly rare in the wild, illegal trade in several species is increasing with falconers willing to pay high prices for wild-caught birds. • Falcon registration ...