The most common and most likely answer to this crossword clue is the 7 letter word SCOTTIE
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More clues leading to the result SCOTTIE
- Small bed and leash for dog
- Dog that is with novelist from same part of world
- Kind of dog bed found in street on the outskirts of Ilfracombe
- Dog Nicola Sturgeon, perhaps, with “fix!”
- Dog that is seen tracking lost explorer
- Dog that is following historical novelist
- Dog that is following writer from same place
- Jazzman Ronnie, namely, Barker
- Dog’s Glaswegian neckwear
- Dog that’s following naturalist
Buddy explains!

The straight part
We know that "Barker" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case barker = scottie.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.