Sparrow vs. Wren

Sparrow and Wren Definitions
Sparrow
Any of various small birds of the family Emberizidae, having brownish or grayish plumage and found throughout the Americas, such as the song sparrow.
Wren
Any of various small brownish songbirds of the family Troglodytidae, having rounded wings, a slender bill, and a short, often erect tail. All species but one, which is Eurasian, are found only in the Americas.
Sparrow
Any of various birds of the family Passeridae, especially the house sparrow.
Wren
Any of various similar unrelated songbirds.
Sparrow
Any of various similar birds of other families, such as the Java sparrow.
Wren
A member of the British Women's Royal Naval Service.
ADVERTISEMENT
Sparrow
The house sparrow, Passer domesticus; a small bird with a short bill, and brown, white and gray feathers.
Wren
Troglodytes troglodytes (Eurasian wren, type species and sole Old World species of the family Troglodytidae).
Sparrow
A member of the family Passeridae, comprising small Old World songbirds.
Wren
Any member of a mainly New World passerine bird family Troglodytidae; a true wren.
Sparrow
A member of the family Emberizidae, comprising small New World songbirds.
Wren
Any small bird of similar appearance to a true wren, such as a fairywren or scrubwren.
ADVERTISEMENT
Sparrow
Generically, any small, nondescript bird.
Wren
Any one of numerous species of small singing birds belonging to Troglodytes and numerous allied of the family Troglodytidæ.
Sparrow
A quick-witted, lively person.
Cockney sparrow
Wren
Any one of numerous species of small singing birds more or less resembling the true wrens in size and habits.
Sparrow
One of many species of small singing birds of the family Fringilligæ, having conical bills, and feeding chiefly on seeds. Many sparrows are called also finches, and buntings. The common sparrow, or house sparrow, of Europe (Passer domesticus) is noted for its familiarity, its voracity, its attachment to its young, and its fecundity. See House sparrow, under House.
Wren
English architect who designed more than fifty London churches (1632-1723)
ADVERTISEMENT
Sparrow
Any one of several small singing birds somewhat resembling the true sparrows in form or habits, as the European hedge sparrow. See under Hedge.
He that doth the ravens feed,Yea, providently caters for the sparrow,Be comfort to my age!
Wren
And of several small active brown birds of the northern hemisphere with short upright tails; they feed on insects
Sparrow
Any of several small dull-colored singing birds feeding on seeds or insects
Sparrow
Small brownish European songbird