It was a black - tailed trainbearer, named for its long black tail that makes it look like a black comet when it buzzes around its territory, chasing away rivals.
See oli mustsaba - koolibri, kes pika musta saba järgi ongi endale nime saanud ning kes musta komeedina oma territooriumil ringi sahmerdab, kihutades minema rivaale.