Shutterstock ID: 2158105667, Photographer: Luc Pouliot
Least flycatchers lay around three to five eggs.
They are highly active and acrobatic, often perching on extended branches and sallying out to catch insects in mid-air.
Shutterstock ID: 1149268187, Photographer: rck_953
Researchers believe only the female least flycatchers build the nest.
Shutterstock ID: 1411771295, Photographer: vagabond54
Male least flycatchers may chase females during courtship.