(mycology) A polypore mushroom that grows almost exclusively on birch trees, Piptoporus betulinus.

A bird that is active in the night; a nocturnal bird. / A human denizen of night.

plural of bird dropping spider

Celaenia excavata, of New Zealand. / Arkys curtulus, of eastern Australia. / Mastophora (bolas spiders), of the New World.

plural of birthday card

Alternative form of birthing chair

(archaic) A person who deserves, or is likely, to be hanged.

A purple swamphen, Porphyrio porphyrio.

A species of birch native to North America, Betula alleghaniensis

Alternative spelling of yellowbird