Two young rufous hummingbirds in their nest on a fir limb in south Portland.

Two young rufous hummingbirds in their nest on a fir limb with bills sticking out.

Two young rufous hummingbirds in their nest on a fir limb in south Portland.

A female rufous hummingbird feeding young in Virginia creeper on Market St. at Coulton's.

A rufous hummingbird on its nest. Taken at the Coulton residence on Market St.

A rufous hummingbird on its nest in Virginia creeper on Market St. at Coulton's.

A rufous hummingbird in its nest in Virginia creeper on Market St. at Coulton's. Image note: not best plate.

A female rufous hummingbird sitting on the edge of its nest in Virginia creeper on Market St. at Coulton's.

A rufous hummingbird just lighting on edge of nest in Virginia creeper on Market St. at Coulton's.

A rufous hummingbird in its nest in Virginia creeper on Market St. at Coulton's. Image note: copyright 1902,