We raise and explore possible answers to three questions about the evolution and ecology
of silent flight of owls:(1) do owls fly silently for stealth, or is it to reduce self-masking …

Hearing, as defined by numerous investigators of vertebrate hearing, involves not only
detection of a sound, but the ability to respond to the sound behaviourally. Thus, in order to …

Anthropogenic noise and its impact on wildlife has recently received considerable attention.
Research interest began to increase at the turn of the century and the number of …

Although lizards have highly sensitive ears, it is difficult to condition them to sound, making
standard psychophysical assays of hearing sensitivity impractical. This paper describes non …

We tested for seasonal plasticity of the peripheral auditory system of three North American
members of the Sylvioidea: Carolina chickadees (Poecile carolinensis), tufted titmice …

There is little biological data available for diving birds because many live in hard-to-study,
remote habitats. Only one species of diving bird, the black-footed penguin (Spheniscus …

Song in oscine birds is a learned behavior that plays important roles in breeding.
Pronounced seasonal differences in song behavior and in the morphology and physiology …

Diving seabirds face a combination of sound exposure in marine and terrestrial
environments due to increasing human encroachment on coastal ecosystems. Yet the sound …

Our knowledge of the hearing abilities of frogs and toads is largely defined by work with a
few well-studied species. One way to further advance comparative work on anuran hearing …

As diving foragers, sea ducks are vulnerable to underwater anthropogenic activity, including
ships, underwater construction, seismic surveys and gillnet fisheries. Bycatch in gillnets is a …