INTRODUCTION Poeciliid fishes have been relatively well studied in areas such as
genetics, reproductive physiology, and embryonic development, but ecological aspects of …

Resource partitioning, or differences in how species use resources, has been studied in a
wide variety of amphibians and reptiles, and causes for resource-partitioning patterns are …

The role of interspecific competition as a key factor in the ecology of natural communities
where species exploit limited resources is well established, and the study of competition …

This book contains 19 chapters and 6 appendices by 31 contributors on the biology of the
Poeciliidae. The volume is divided into 5 sections: overview of the family; reproduction and …

Using an index of relative importance we analyzed the stomach contents of over 300 water
snakes (Nerodia spp.) Ontogenetic changes in prey consumption are most striking in …

Four male and four female grass snakes were monitored with radio-transmitters; three males
and three females were tracked from May to Sept., and one male and one female from July …

This book explains the basics of stream ecology, and is divided into four parts. The first part
describes the ecological processes and interactions that take place in streams and rivers …

The Jambato Toad, Atelopus ignescens, is endemic to montane forests, inter-Andean
valleys, and paramos in Ecuador. Although formerly abundant and widely distributed, the …

Destruction of habitat due to urban sprawl, pollution, and deforestation has caused
population declines or even extinction of many of the world's approximately 2,600 snake …

Quantitative data consisting of 14 structural habitat variables and 5 climatic variables were
obtained from 505 telemetric relocations of 21 timber rattlesnakes (Crotalus horridus) and 20 …