Bufflehead
Found in the lakes, this small black-and-white diving duck is distinguished by a big white patch on its head.
Bobolink*
Description: Look in the Dixon Prairie for this grassland bird that, like others of its kind, is no longer common.
Bluebird, Eastern***
Description: Although this brilliantly colored bird nests regularly in the restored woodland, it is most often seen on migration early in spring and late in the fall.
Blackbird, Yellow-headed
Description: Look for this tundra-breeder traveling in a flock of common redpolls or goldfinches and siskins. In winter, this rare visitor is most likely to be found in alders or birches while feeding on seeds in cones and catkins.
Blackbird, Rusty
Description: A rare member of the blackbird family. If spotted at the Garden, it will likely be in the Dixon Prairie.
Blackbird, Red-winged***
Description: This common bird is found across the Garden. This species has become increasingly aggressive in defending their nests, even against people. It is not unusual for them to attack people who get too close to a nest site.
Blackbird, Brewer's***
Description: This rare member of the blackbird family may be spotted almost anywhere at the Garden.
Bittern, Least
Description: Smaller than the American bittern, this state-threatened species may be seen in waterside vegetation.
Bittern, American
Description: This state-endangered species is rarely seen and difficult to spot. If here, this chicken-sized bird will be on a lake edge or Marsh Island.