Experiments on the origin of dialects in the short-toed tree creeper (Certhia brachydactyla) Gerhard ThielckeKlaus Wüstenberg OriginalPaper Pages: 195 - 201
Breeding territory quality and agonistic behavior: effects of energy availability and intruder pressure in hummingbirds Staffan Tamm OriginalPaper Pages: 203 - 207
The influence of ants on host plant selection by Jalmenus evagoras, a myrmecophilous lycaenid butterfly Naomi E. PierceMark A. Elgar OriginalPaper Pages: 209 - 222
Circadian patterns of premating behavior in Teleogryllus oceanicus Le Guillou under laboratory and field conditions Werrer LoherLarry J. Orsak OriginalPaper Pages: 223 - 231
The influence of temperature on the territorial and mate locating behaviour of the small heath butterfly, Coenonympha pamphilus (L.) (Lepidoptera: Satyridae) Per-Clof Wickman OriginalPaper Pages: 233 - 238
A quantitative genetic model of altruistic selection James M. Cheverud OriginalPaper Pages: 239 - 243
New observations on infanticides among hanuman langurs (Presbytis entellus) near Jodhpur (Rajasthan/India) V. SommerS. M. Mohnot OriginalPaper Pages: 245 - 248
On the function of warning coloration: a black and yellow pattern inhibits prey-attack by naive domestic chicks Werner SchulerElke Hesse OriginalPaper Pages: 249 - 255
Mating in the red-sided garter snake, Thamnophis sirtalis parietalis: differential effects on male and female sexual behavior Joan M. WhittierRobert T. MasonDavid Crews OriginalPaper Pages: 257 - 261
Temporal patterns in the vibratory courtship signals of the wandering spider Cupiennius salei Keys. Wolfgang SchüchFriedrich G. Barth OriginalPaper Pages: 263 - 271
Brood defence in the great tit (Parus major): the influence of life-history and habitat E. CurioK. RegelmannU. Zimmermann OriginalPaper Pages: 273 - 283
Polygyny in the great reed warbler, Acrocephalus arundinaceus: a possible case of deception Clive CatchpoleBernd LeislerHans Winkler OriginalPaper Pages: 285 - 291