Birdwatching, Esther nets swallow (6)

I believe the answer is:

ingest

I'm a little stuck... Click here to teach me more about this clue!

'birdwatching esther nets swallow' is the definition.
I can't judge whether this definition defines the answer.

'birdwatching esther nets swallow' is the wordplay.
'swallow' indicates the answer is hidden within the clue (I've seen 'swallowing' mean this).
'INGEST' can be found hidden inside 'birdwatching esther nets'.

Can you help me to learn more?

(Other definitions for ingest that I've seen before include "Swallow, absorb" , "Take in with tinges" , "How to take courses" , "take in, eat" , "Swallow -signet (anag)" .)

I've seen this clue in The Daily Mail.

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