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The ruby-throated hummingbird (Archilochus colubris) is a bird with a long beak and rapid wings. This species is known for the red color upon its neck.

Ruby-Throated Hummingbird

The ruby-throated hummingbird (Archilochus colubris) is a bird with a long beak and rapid wings. This…

"Skull of <i>Spatularia</i>, with the long beak removed, the anterior (asc) and posterior (psc) semicircular canals exposed; Au, auditory chamber; Or, orbit of eye; N, nasal sac; Hy, hyoidean apparatus; Er, representatives of branchiostegal rays; Op, operculum; Mn, mandible; A, B, suspensorium; D, palatoquadrate cartilage; E, maxilla." &mdash;Whitney, 1889 <p>Illustration of the exposed and labeled skull of a paddle-fish with the long beak removed.

The Skull of a Paddle-Fish with the Beak Removed

"Skull of Spatularia, with the long beak removed, the anterior (asc) and posterior (psc) semicircular…