These hermits are most often seen zooming around in wet forest undergrowth, singing as they go. Like many other hermits, males attract mates by congregating at leks. Within the lek, males sit on a low perch, wagging their tales as they make a seek vocalization dozens of times each minute. Males boast a bronzy copper crown and have two facial stripes: a white one below the eye, and a buffy one above. In Colombia, White-whiskered Hermit is the most common Phaethornis hermit in the Pacific lowlands.