Complex sentence: Like other hummingbirds it takes energy from flower nectar (especially from bromeliads), while the plant benefits from the symbiotic relationship by being pollinated, and its protein source is small arthropods such as insects.
Split into simpler sentences: Like other hummingbirds it takes energy from flower nectar (especially from bromeliads), while the plant benefits from the symbiotic relationship by being pollinated. Its protein source is small arthropods such as insects.