Research has revealed that cowbirds don't choose their hosts at random. One study found that cowbirds preferentially target species that , whose females make shorter visits to the nesting site, whose males vocalize more often near the nest, and that are more likely to perch when visiting the nest. In other words, cowbirds engage in a form of avian espionage : they carefully observe potential hosts before laying their eggs, picking the most vulnerable targets.
Could you clarify a few things?
—Dr. Vespa
: The migratory journey, tracking data, or "eviction" process where a parasitic chick pushes host eggs out of the nest. pgd954 tour of out chunky brood parasite in be full
Other notable examples include:
using evolutionary defense mechanisms Let me know which direction to take this research next! Share public link Research has revealed that cowbirds don't choose their