An adult black-crowned night-heron catches a fish and swallows it whole, head first.

Seeking food and successful nesting drive the behavior and survival of bird species. These photos capture what each bird is about to swallow.

A cedar waxwing eats a berry.

Left: An eastern kingbird captures a dragonfly. Right: A juvenile black-crowned night- heron swallows a frog.

Bird Walks Oct. 4 and Nov. 1, 7:30am & 8am. Walks are free, but you must RSVP at blufflake.org/birdwatching. All are welcome. Bring your own binoculars or borrow a pair from your guide. 11255 MLK Jr. Blvd. Search FrontPorchNE.com for “Bird Sightings” to see past bird stories and photos from George Ho.