Zosterops rotensis
The Rota White-eye (Zosterops rotensis) is a charmingly small passerine, measuring approximately 10-11 cm (4-4.3 inches) in length and weighing a mere 8-10 grams, known for its vibrant olive-green upperparts contrasting with a bright yellow throat and vent, and a duller white belly. Its most distinctive field mark is the prominent, unbroken white eye-ring encircling a dark eye, complemented by a slender, slightly decurved bill. Taxonomically, it belongs to the family Zosteropidae, a diverse g...
This species primarily inhabits limestone forests and secondary forests, including areas dominated by Casuarina and Tangantangan (Leucaena leucocephala) thickets, across low to mid-elevations on Rota Island. It demonstrates a degree of adaptability, utilizing both pristine and moderately degraded...
The Rota White-eye is an omnivorous species, primarily consuming a diverse array of small insects and spiders, alongside nectar from various flowering plants and the pulp of small fruits and berries. It actively forages by gleaning from foliage, probing flowers, and inspecting bark.
The Rota White-eye is a diurnal and highly active passerine, constantly foraging through the canopy and sub-canopy of its forest habitat. It employs a gleaning strategy, methodically searching leaves, flowers, and bark for small invertebrates and nectar, often hanging upside down to access resour...
The Rota White-eye is an extreme island endemic, with its entire natural range confined exclusively to Rota Island, one of the Northern Mariana Islands in the western Pacific Ocean. This species has never been reliably recorded outside of Rota, with no known breeding or wintering populations else...
Critically Endangered
- The Rota White-eye is endemic to a single island, Rota, making it one of the most geographically restricted bird species on Earth. - Its population has dwindled to just a few hundred individuals, classifying it as Critically Endangered. - It is a crucial flagship species for conservation effort...