Communication Flashcards
communication
transfer of info from a sender to reveiver
signal
communicated stimuli that have been shaped by natural selection
discrete signal
all or nothing (on or off)
graded signal
multiple levels / variable ways
composite signal
two or more signals
cue
communicated stimuli that have not been specifically shaped
display
a stereotyped sequence of behaviors that has a signaling function
metacommunication
signal about a signal (context for a signal)
functions of communication
reproduction alarm calls aggression/status foraging recognition group spacing/coordination advertising soliciting care synch hatching
alarm calls
audible, chemical or visual
aggression/status
instead of actual fights if possible
foraging
signaling to where food is
honeybees
von Frisch
200m = waggle dance
recognition
identification
species specific, pop/group, individual
group spacing/coordination
know where everyone is (howler monkies)
advertising
toxicity
soliciting care
asking for food or finding offspring
handicap hypothesis
honest signals should be costly and only able to be produced by fit individuals
evolution of communication
ritualization & cumulative selection
ritualizaion
evolution of communicative behaviors from non-communicative ones (evolution of comm)
cumulative selection
add components to a signal (evolution of comm)
cooperative communcation
beneficial to sender and receiver
deceitful communication
beneficial to sender, not receiver
incidental/exploitation communcation
beneficial to receiver, not sender
spiteful communication
costly to both sender and receiver
illegitimate receivers
individuals that are not the intended receivers of a call
bats learning to go for frogs by learning their mating call
intention movements
spreading the lips before biting, crouching before lunging
displacement behaviors
behaviors done in conflict situations when an animal is not sure how to behave.
feather-rubbing in ducks during courtship eventually becomes an integral part of the process.
