Fork-tailed Palm Swift vs Green-backed Trogon
Tachornis squamata versus Trogon viridis
Play a quiz with Fork-tailed Palm Swift and Green-backed Trogon
Fork-tailed Palm Swift
Green-backed Trogon
In short
The Fork-tailed Palm Swift and Green-backed Trogon are easily distinguished by their size and plumage. The swift is a small, slender bird with a forked tail, while the trogon is larger with a striking green back and colorful underparts. Observing their behavior and preferred habitats can also aid in identification.
Identification tips
Look for the swift's forked tail and agile flight in open areas, versus the trogon's vibrant green back and more stationary behavior in forested habitats.
Size
The Fork-tailed Palm Swift is much smaller and more slender than the Green-backed Trogon.
Plumage
The Fork-tailed Palm Swift has a more uniform coloration, primarily brownish or gray, with a distinctive forked tail. In contrast, the Green-backed Trogon has a vibrant iridescent green back, a purplish-blue rump, and an orange-yellow belly. Males have black cheeks and throat, while females are duller with gray replacing the green and blue tones.
Behaviour
Fork-tailed Palm Swifts are agile fliers, often seen in swift, erratic flight patterns. Green-backed Trogons are more sedentary, often perching quietly in the forest.
Habitat
Fork-tailed Palm Swifts are typically found in open areas with palms, while Green-backed Trogons inhabit forested areas, including second growth.
Fork-tailed Palm Swift · Green-backed Trogon · My Tricky Birds