If they could eat from higher branches than others, they could avoid competition for resources.
Sure, but they wouldn't routinely be doing it unless a) it was possible, and b) there was an actual benefit - they gained more calories per rear than they expended doing it.
Sure, but they wouldn't routinely be doing it unless a) it was possible, and b) there was an actual benefit - they gained more calories per rear than they expended doing it.