Sangihe Lilac Kingfisher vs Sulawesi Lilac Kingfisher

In short

The Sangihe Lilac Kingfisher and the Sulawesi Lilac Kingfisher are closely related and can be challenging to differentiate. The most reliable field marks are their geographic ranges and subtle differences in plumage coloration. Observers should focus on these aspects when trying to identify them in the field.

Identification tips

1. Location: Check the geographic range; Sangihe Lilac Kingfisher is on Sangihe Island, while Sulawesi Lilac Kingfisher is on Sulawesi. 2. Plumage: Look for the intensity of lilac coloration; Sangihe tends to be more vibrant. 3. Context: Consider habitat type and elevation, as both species prefer forested areas but are restricted to their respective islands.

Size

Both species are similar in size, typical of medium-sized kingfishers, making size an unreliable distinguishing feature.

Plumage

The Sangihe Lilac Kingfisher generally has a more vibrant lilac coloration on the head and underparts compared to the Sulawesi Lilac Kingfisher, which may appear slightly duller. Both have blue wings and tails, but the intensity and hue of the lilac and blue can vary slightly.

Behaviour

Behaviorally, both species are similar, often found perched quietly in forested areas. They may occasionally be seen sallying for insects.

Habitat

The Sangihe Lilac Kingfisher is endemic to Sangihe Island, while the Sulawesi Lilac Kingfisher is found on Sulawesi. Habitat preferences overlap, as both favor lowland and montane forests.

Voice

Vocalizations are not well-documented for either species, and any differences remain unclear. Observers should note calls if possible, but rely on other identification features.