In Nayarit and Jalisco, Mexico, the broad-billed hummingbird is known to occur in the same range as the Cinnamon hummingbird ("Amazilia rutila"). This leads to food competition and therefore when co-occurring, the "C. latirostris" will feed from flowers with low-nectar availability. The broad-billed hummingbird will feed from high-nectar available flowers such as the sharpleaf jacaranda ("Jacaranda acutifolia"), sleeping hibiscus ("Malvaviscus arboreus"), and mistletoe ("Psittacanthus longipennis"). When in competition with the "A. rutila", the "C. latirostris" will feed from "Calopogonium parvum", royal poinciana ("Delonix regia"), velvet-seed ("Hamelia versicolor"), hibiscus ("Hibiscus" sp.), and coralblow ("Russelia tenuis").