Throughout their lives animals must complete many tasks, including finding food, avoiding
predators, attracting mates, and navigating through a complex and dynamic environment …

S cones expressing the short wavelength-sensitive type 1 (SWS1) class of visual pigment
generally form only a minority type of cone photoreceptor within the vertebrate duplex retina …

Frugivory and seed dispersal have a crucial role to play in the novel landscapes that are
emerging around the world. Robust predictions of what will happen when new combinations …

Birds are renowned for their exceptional vision and the way that this enables them to survive
and navigate the world in such a unique way. However, it is now recognised that avian …

The avian plumage color gamut is the complete range of plumage colors, as seen by birds
themselves. We used a tetrahedral avian color stimulus space to estimate the avian …

Flowering plants in Australia have been geographically isolated for more than 34 million
years. In the Northern Hemisphere, previous work has revealed a close fit between the …

Coevolutionary arms races are a potent force in evolution, and brood parasite–host
dynamics provide classical examples. Different host‐races of the common cuckoo, Cuculus …

Background Colour vision in birds can be categorized into two classes, the ultraviolet (UVS)
and violet sensitive (VS). Their phylogenetic distributions have traditionally been regarded …

Colour is one of the most obvious advertisements of flowers, and occurs in a huge diversity
among the angiosperms. Flower colour is responsible for attraction from a distance, whereas …

Colour signals are a major cue in putative pollination syndromes. There is evidence that the
reflectance spectra of many flowers target the distinctive visual discrimination abilities of …