-Does the animal communicate with others of its species? How?

Yes they does, Hummers communicate with others of its species. Hummers communicate with one another primarily by chittering and other vocalizations, and by flying toward one another aggressively, to chase each other away.

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-Does the animal communicate to other species? How?

Yes again, they does. They communicate with other species to defend their territory and also their food source. They will communicate with other species through physical contact, visual display such as aggressive display of U-shaped loops, and chirping and chattering.