bird dog
US /ˈbɜːrd dɔːɡ/
UK /ˈbɜːrd dɔːɡ/

1.
a dog of a breed trained to hunt birds, such as a setter, pointer, or retriever
:
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The hunter's bird dog expertly flushed out the pheasants.
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We saw a beautiful setter, a classic example of a bird dog, at the dog show.
2.
a person who seeks out and finds something, especially talent or business opportunities
:
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She's a real bird dog when it comes to finding new investment opportunities.
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The company hired a bird dog to scout for promising startups.
1.
to seek out and find someone or something, especially for a specific purpose
:
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The manager asked him to bird dog a new supplier for the raw materials.
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It's his job to bird dog potential clients for the sales team.