The most common and most likely answer to this crossword clue is the 10 letter word RAINFOREST
I've seen this crossword clue in The Sunday Telegraph
R
A
I
N
F
O
R
E
S
T
More clues leading to the result RAINFOREST
- Dope-smuggling most unusual in high growth area
- One may be losing too many trees as frontier is shifted
- Information found in most unusual ecosystem
- Most unusual, smuggling dope in threatened area
- Data gathered in least common ecosystem
- Destroying terrains of Amazonia, for example
- Wooded area in Orient’s far removed
- Knowledge found in most uncommon jungle
- Most uncommon to receive data identifying location of habitat loss
- Jungle area about to get surrounded by others
Buddy explains!
The straight part
We know that "endangered area" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case endangered area = rainforest.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 RAINFOREST mean?
RAINFOREST noun- A forest in a climate with high annual rainfall and no dry season.