Hummingbird display & defense performance

Black-chinned Hummingbird (pictured), Ruby-throated Hummingbird, and various South American species

Throughout Texas (in collaboration with Kira Delmore) and Colombia (in collaboration with Alejandro Rico-Guevara). 

Hummingbirds often perform courtship display and territory defense behaviors at feeders. We are trying to quantify aspects of their dive, chase, and escape performance that ultimately contribute to their foraging and mating success.