The most common and most likely answer to this crossword clue is the 10 letter word MEADOWLARK
I've seen this crossword clue in The Guardian
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More clues leading to the result MEADOWLARK
- Bird made off with bird box
- One flyer in drink, another being on rescue vessel
- Make a world suitable for a flyer
- Yours truly meets a bird in the night – this one?
- Karma – we twerk with old bird!
- Bird taking drink to one sitting up at night on 21’s vessel
- I walk road disturbing grassland bird
- Lama worked excitedly for a bird from the New World
Buddy explains!

The straight part
We know that "bird" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bird = meadowlark.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MEADOWLARK mean?
MEADOWLARK noun- The meadow pipit (Anthus pratensis).
- Any of several songbirds of the genera Sturnella and Leistes, native to the Americas.