How many letters does the top answer for “small reddish-brown wallabies of scrubby areas of australia and new guinea” have?

The most common answer is paddymelon (10 letters).

Crossword clue: small reddish-brown wallabies of scrubby areas of australia and new guinea

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

paddymelon 10 letters wn-def

small reddish-brown wallabies of scrubby areas of Australia and New Guinea

pademelon 9 letters wn-def

small reddish-brown wallabies of scrubby areas of Australia and New Guinea