Parrot populations in Africa and Madagascar are declining and the need for conservation
actions to address threats is increasingly recognised. Effective conservation requires a …

Although the burrowing activity of some species (eg gophers) is well studied, a
comprehensive inventory of burrowing animals in adjacent biomes is not yet known, despite …

Nest visit synchrony, whereby adults coordinate their visits to the nest, has been
documented in several species of cooperative breeders. Visit synchrony may reduce nest …

Parrots of the Wild explores recent scientific discoveries and what they reveal about the lives
of wild parrots, which are among the most intelligent and rarest of birds. Catherine A. Toft …

Parrots are among the most diverse and widely distributed groups of birds and one of the
most threatened bird orders mainly due to habitat loss and illegal poaching. Most parrots are …

In bi-parental care systems each parent shares benefits with its unrelated partner from the
common investment in offspring, but pays an individual cost of providing that care, leading to …

Background While the gene flow in some organisms is strongly affected by physical barriers
and geographical distance, other highly mobile species are able to overcome such …

Parrots (Order: Psittaciformes) are a diverse clade that is easily distinguishable from other
birds. Despite the clear characters that define Psittaciformes (hooked bills, zygodactylous …

Chickens were chosen by a factorial 2× 2 and random design. Methionine levels of 1.2 and
0.45% were adjusted to 2800 and 3200 kcal/kg metabolisable energy (ME) in starters and …

Background Generalist herbivores are challenged not only by the low nitrogen and high
indigestibility of their plant foods, but also by physical and chemical defenses of plants. This …