Honey will ferment too quick and ruin your hummingbird feeder mixture. Sugar substitutes have no calories and thus will provide no energy boost for the hummingbirds. And the controversy surrounding whether or not the dye in red food coloring is harmful to hummingbirds makes it better to just ...
Distinguishing Energy Maximizers from Time Minimizers: A Comparative Study of Two Hummingbird Species SYNOPSIS. The potential reproductive success of a food energy maximizer increases with foraging time, while that of a foraging time minimizer increases wit... MA Hixon,FL Carpenter - 《Amer Zool》...