FC Rohwer, MG Anderson - Current ornithology, 1988 - Springer
Waterfowl (family Anatidae) provide several exceptions to more typical avian breeding systems. One exception is their system of parental care, wherein highly precocial young …
J Burger, M Gochfield, M Gochfeld - 1991 - books.google.com
For more than twenty years the authors studied the complex breeding and social behavior of colonies of terns. A significant dynamic of their social behavior is their “mobbing” behavior …
Studies the benefits and costs of group living as illustrated by colonies of the gull-like seabird on salt marshes and sandy beaches of the east coast of North America. Examines …
When breeding and nesting behavior in birds is considered within the larger framework of the annual cycle, it is evident that reproduction may be tightly linked to the progression and …
ME Heitmeyer - The Condor, 1988 - academic.oup.com
Body mass and carcass composition were determined from 267 female Mallards (Anas platyrhynchos) collected during the winters of 1980-1981, 1981-1982, and 1982-1983 in the …
KE Omland - Behavioral Ecology and Sociobiology, 1996 - Springer
Mating preferences were studied in captive wild-stock female mallards. Independent observers scored ornament brightness for the bill and eight plumage areas of male mallards …
MC Gontard-Danek, AP Møller - Behavioral ecology, 1999 - academic.oup.com
Sexual selection has been demonstrated to sometimes be strongly related to the expression of secondary sexual characters, as shown by a number of classical textbook examples …
AM Gronell - Ethology, 1989 - Wiley Online Library
The process of female choice of mates was examined in the damselfish Chrysiptera cyanea. Females make their choices during courtship periods termed “visiting” which are performed …
KE Omland - Behavioral Ecology and Sociobiology, 1996 - Springer
A study I conducted suggested that female mallards chose males based on natural variation in individual ornaments, especially the bill. Ornament manipulations were used to test …