[1] : The Collaborative International Dictionary of English v.0.48

goldcrest \gold"crest`\ g=old"kre^st`, n. zool.
   the european golden-crested kinglet regulus cristatus, or
   regulus regulus; -- called also golden-crested wren, and
   golden wren. the name is also sometimes applied to the
   american golden-crested kinglet. see kinglet.
   1913 webster
see also:
regulus cristatus regulus regulus golden-crested wren golden wren kinglet 

[2] : The Collaborative International Dictionary of English v.0.48

kinglet \king"let\, n.
   1. a little king; a weak or insignificant king. --carlyle.
      1913 webster

   2. zool. any one of several species of small singing birds
      of the genus regulus and family sylviidae.
      1913 webster

   note: the golden-crowned kinglet regulus satrapa, and the
         rubycrowned kinglet regulus calendula, are the most
         common american species. the common english kinglet
         regulus cristatus is also called golden-crested
         wren, moonie, and marigold finch. the kinglets are
         often popularly called wrens, both in america and
         england.
see also:
regulus sylviidae regulus satrapa regulus calendula regulus cristatus golden-crested wren 
moonie marigold finch wrens 

Wren >> W Words
Wren, definition of term: Wren
wren_pag1.html

Jenny Wren >> J Words
Jenny Wren, definition of term: Jenny Wren
jenny+wren_pag1.html

Cactus Wren >> C Words
Cactus Wren, definition of term: Cactus Wren
cactus+wren_pag1.html