from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The common tern, Sterna hirundo.
- n. A hummingbird of any of several species of the genus Thaumastura, having a long forked tail.
from the GNU version of the Collaborative International Dictionary of English
- n. The common tern.
- n. Any one of several species of humming birds of the genus Thaumastura having a long forked tail.
from The Century Dictionary and Cyclopedia
- n. A humming-bird of the genus Thaumastura, having a very long forficate tail, like a pair of shears, as T. cora, T. henicura, etc.
- n. A sea-swallow or tern: from the long forked tail. See cut under roseate.
- n. A British shears-moth, as Hadena dentina.
shear + tail? (Wiktionary)
Stattersfield et al. identifies two birds with limited ranges that include this ecoregion; the near endemic Mexican sheartail (Doricha eliza) and the endemic Yucatan Wren (Campylorhynchus yucatanicus).