How many letters does the top answer for “the largest eurasian bird of prey; having black feathers hanging around the bill” have?

The most common answer is lammergeier (11 letters).

Crossword clue: the largest eurasian bird of prey; having black feathers hanging around the bill

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

lammergeier 11 letters wn-def

the largest Eurasian bird of prey; having black feathers hanging around the bill

lammergeyer 11 letters wn-def

the largest Eurasian bird of prey; having black feathers hanging around the bill