Superciliums in white-eared hummingbirds as badges of status signaling dominance

Residency in white-eared hummingbirds (Hylocharis leucotis) and its effect in territorial contest resolution

BACKGROUND Territory owners usually defeat intruders. One explanation for this observation is the uncorrelated asymmetry hypothesis which argues that contests might be settled by an arbitrary convention such as "owners win." We studied the effect of territorial residency on contest asymmetries in the white-eared hummingbird (Hylocharis leucotis) in a fir forest from central Mexico. METHODS Tw...

on the status of mixed methods research in applied linguistics

چکیده ندارد.

Light and electron microscopic study of the tongue in the White-eared bulbul (Pycnonotus leucotis)

The aim of the present study was to investigate the light and electron microscopic structure of the tongue in White-eared bulbul (Pycnonotus leucotis). Six adult White-eared bulbul (3 males and 3 females) in Shahrekord district were used in the investigation. Samples of the apex, body and root of the tongue were prepared routinely for light and electron microscopic study. Results showed that th...

Status update on White-eared Night Heron Gorsachius magnificus in South China

Badges of status in worker and gyne Polistes dominulus wasps

Despite widespread interest in quality signals, a broad understanding of quality that incorporates information about signals used in a variety of contexts remains elusive. For example, relatively little is known about arbitrary signals of quality used during aggressive competition (badges of status). Recently, a new badge of status was found: black facial patterns in Polistes dominulus wasps. P...