Mearnsia novaeguineae
The Papuan Spinetail (Mearnsia novaeguineae) is a medium-sized swift endemic to the island of New Guinea, a gem among aerial insectivores. Measuring approximately 12-14 cm in length, it is characterized by its uniformly dark, glossy plumage, often appearing blackish or dark sooty-brown. A key identifying feature for birders is the contrasting white undertail-coverts, which flash distinctively during its rapid, acrobatic flight. Its short, stiff tail feathers, terminating in bare, spiny shafts...
This swift primarily inhabits lowland and hill primary forests, often favoring areas near rivers, clearings, or forest edges where insect prey is abundant. It is typically found at elevations ranging from sea level up to approximately 1,000 meters.
The diet of the Papuan Spinetail consists almost exclusively of flying insects, including beetles, flies, ants, and termites. It captures prey mid-flight through continuous aerial hawking.
The Papuan Spinetail is an active diurnal bird, spending most of its day tirelessly hawking for insects high in the forest canopy or over open areas. Its flight is exceptionally fast and agile, characterized by rapid wingbeats and sudden changes in direction, allowing it to expertly snatch airbor...
The Papuan Spinetail is endemic to the vast island of New Guinea, encompassing both the Indonesian provinces of West Papua and Papua, and the independent nation of Papua New Guinea. Its distribution is generally widespread across the island, though it tends to be patchily distributed and localize...
Least Concern
- The 'spinetail' in its name refers to the stiff, protruding shafts of its tail feathers, which help it brace against vertical surfaces when roosting inside hollow trees or caves. - Like many swifts, the Papuan Spinetail is an aerial master, capable of performing incredibly agile maneuvers at hi...