Beyond nectar, what vital nutrient source do hummingbirds actively hunt for, especially to feed their young?

Answer

Small insects and spiders (protein)

Hummingbirds require a considerable amount of protein, actively hunting for small insects like gnats, aphids, and spiders, consuming so many that they are considered more insectivorous than many other small bird species.

Beyond nectar, what vital nutrient source do hummingbirds actively hunt for, especially to feed their young?
speciesbirdStatehummingbird