Rufous-thighed Kite vs Plumbeous Kite

In short

The Rufous-thighed Kite and Plumbeous Kite are both small, slender raptors, but they can be distinguished by their leg coloration and plumage tone. The Rufous-thighed Kite has distinctive rufous thighs, while the Plumbeous Kite is more uniformly gray. Both species are found in similar habitats, but their migratory patterns differ.

Identification tips

1. Look for the rufous thighs on the Rufous-thighed Kite. 2. Note the more uniform gray plumage of the Plumbeous Kite. 3. Consider the geographic location and time of year, as Rufous-thighed Kites are migratory. 4. Observe the overall plumage tone; the Plumbeous Kite may appear slightly darker.

Size

Both species are similar in size and structure, being small and slender kites.

Plumage

The Rufous-thighed Kite has rufous-colored thighs, which are a key distinguishing feature. In contrast, the Plumbeous Kite is more uniformly gray without the rufous coloration on the thighs. Both have similar overall gray plumage, but the Plumbeous Kite may appear slightly darker.

Behaviour

Both species exhibit similar hunting behaviors, often seen soaring or perching quietly in trees. Differences in behavior are not prominent for field identification.

Habitat

Both species inhabit forested areas, but the Rufous-thighed Kite is more associated with the Atlantic forest region and migrates to Amazonia and the Guianas, while the Plumbeous Kite is more widespread in tropical lowland forests.

Voice

Vocalizations are not a primary distinguishing feature in the field, as both species have similar calls.