Chapter 14 Outline

Overview

The Diversity of Environmental Signals

Predator Deterrent Signals

  • Detection and camouflage
  • Notifying predators about prey suitability
  • Last-ditch prey signals to predators

Alarm Signals

  • Surveillance signals
  • Mobbing signals
  • Victim signals
  • Other economic considerations

Food Signals

  • Basic economics
  • Amount of information

Autocommunication

  • Bat echolocation
  • Cetacean echolocation