** Shares of footwear maker Allbirds BIRD.O rise 3.9% to $6.40 in extended training

** Company's Q4 net loss narrows to $25.7 million compared with a loss of $56.78 million a year ago

** BIRD posts Q4 adjusted core loss of $19.2 million, slightly down from last year's adj core loss of $19.5 million

** Company expects Q1 revenue to be in the range of $28 million to $33 million vs. est. of $34.90 million - data compiled by LSEG

** As of last close, stock down 11.8% YTD

(Reporting by Pooja Menon in Bengaluru)

((Pooja.Menon@thomsonreuters.com;))