Estimates of population density and abundance change (differences in density or encounter
rates across land uses or time periods) form the cornerstone of much of our knowledge of …

Parrots (Psittaciformes) are one of the most endangered groups of birds in the world, due in
part to their popularity in the bird trade. Yet the bird trade is not the only threat currently …

The suitability of point count distance methods for estimating densities of tropical parrots and
hornbills was assessed during surveys in Indonesia. The methods will perform well, so long …

A reduction in forest area should result in a reduction of its number of species and,
moreover, do so in a characteristic way according to the familiar species‐area relationship …

Although point transect distance sampling methods have become widely used in surveys of
forest birds, there has been no attempt to tailor field methods to maximize the accuracy of …

Sunbirds is the first book since the 19th Century to cover in detail all the world's sunbirds
and spiderhunters-the Nectarinidae. It also includes the allied families of flowerpeckers and …

With nearly 4,130 species, the Neotropics harbour almost 44% of the world's avifauna and a
generous representation of parrots (148 species in 27 genera: Wege and Long 1995). Parrot …

Timber concessions cover 90% of forest on some Indonesian islands, but the effects of
logging on endemic‐rich island avifaunas are poorly known. I used a point count method to …

The scattered and dwindling Polylepis woodlands of the high Andean global hotspot have
been identified as being of particular importance to biodiversity conservation, and yet little is …

A total of 132 nests of Sumba's parrots and endemic hornbill were located. Nearly half were
in trees containing other parrot or hornbill nests (one tree contained five nests). All but one …