Melospiza

 

Hosts and parasites interact on both evolutionary and ecological timescales. The outcome of these interactions, specifically… Expand

While the relationship between aggression and resource value in competitions for discrete resources is well established, the… Expand

Animal signals are often complex, raising the possibility that different aspects of a signal may convey different types of… Expand

Life history theory predicts that individuals paired with attractive mates may invest more in offspring. Such differential… Expand

One hypothesis for the function of vocal repertoires in songbirds is that singing multiple song types facilitates song matching… Expand

Male song sparrows sing repertoires of 4–13 distinct song types and have proved a valuable model for testing hypotheses… Expand

Song learning in songbirds often includes an extended sensorimotor phase, in which birds gradually refine their vocal output to… Expand

To investigate female responses to territorial intrusion I presented female song sparrows with either a simulated female song… Expand

Abstract Male song sparrows ( Melospiza melodia ) were presented with a series of four playback songs of decreasing similarity to… Expand