Cover; Behavioral Ecology of the Eastern Red-backed Salamander; Copyright; Dedication; Contents; List of Figures; Acknowledgments; About the Authors; 1. Prelude; 1.1 Bob Jaeger meets the eastern red-backed salamander, Plethodon cinereus; 1.2 An introduction to red-backed salamanders; 1.3 The plot of our research program; 1.4 Comments concerning methodology and statistical paradigms; 2. Interspecific competition between P. cinereus and P. shenandoah; 2.1 Ecological studies; 2.2 Behavioral experiments; 2.3 Selected recent research by others: Interspecific competition
3. Intraspecific territoriality by P. cinereus3.1 Definition and theory; 3.2 Distribution and prey availability; 3.3 Site tenacity by P. cinereus; 3.4 Determining sex and defining behavioral patterns; 3.5 The use of odors and dear enemy recognition; 3.6 The expulsion of intruders; 3.7 Testing territoriality in the forest; 3.8 Variables that affect territorial contests; 3.8.1 Length of residency; 3.8.2 Body size; 3.8.3 Body size without residency; 3.8.4 Sex and reproductive condition; 3.8.5 Intruder number; 3.8.6 Tail condition; 3.8.7 Food quantity; 3.8.8 Food quality; 3.8.9 Signal honesty
3.9 Life history traits and territorial contests3.9.1 Variation in reproductive success among females; 3.9.2 Payoffs to and RHP of territorial owners; 3.9.3 Resource acquisition and energy allocation; 3.10 Seasonal and geographic variation in territorial agonistic behavior; 3.10.1 Seasonal variation; 3.10.2 Geographical variation; 3.11 Selected recent research by others: Intraspecific territoriality; 4. Foraging tactics by P. cinereus within territories; 4.1 Foraging on live versus dead prey; 4.2 Diet breadth; 4.3 Optimal prey choice; 4.4 Territorial and foraging behavioral conflicts
4.5 Assessing prey densities4.6 Judging prey profitabilities; 4.7 Conflicts between foraging behavior and territorial defense; 4.8 Diet diversity and clutch size; 4.9 Selected recent research by others: Foraging tactics; 5. Pheromonal glands and pheromonal communication by P. cinereus; 5.1 Early studies suggest pheromones do occur; 5.2 Do males of P. cinereus produce territorial pheromones?; 5.3 Do females of P. cinereus produce territorial pheromones?; 5.4 Where are those pheromones produced in males and females?; 5.5 Focusing on the postcloacal gland
5.6 What information does the postcloacal gland communicate?5.7 What signals do pheromones communicate?; 5.8 Scent matching and tail autotomy; 5.9 Do territorial pheromones aid in homing behavior by P. cinereus?; 5.10 Are pheromones volatile?; 5.11 Selected recent research by others: Pheromonal communication; 6. Interspecific territoriality and other interspecific behavioral interactions; 6.1 Interspecific territoriality between P. cinereus and P. shenandoah; 6.2 Rules of engagement with juveniles of P. glutinosus; 6.3 Plethodon cinereus in an assemblage of salamanders
Summary
Examines over fifty years of research of the red-backed salamander
