Crossword Genius

Sticky-beaking when Papua New Guinea withholds railway information (6)

Ross

I believe the answer is:

prying

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

'information' is the definition.
The definition and answer can be both related to thinking as well as being singular nouns.
Maybe there's a link between them I don't understand?

'sticky-beaking when papua new guinea withholds railway' is the wordplay.
I cannot quite see how this works, but
'new' could be 'n' (common abbreviation eg NT for New Testament) and 'n' is present in the answer.
'railway' could be 'ry' (abbreviation for railway) and 'ry' is present in the answer.
The remaining letters 'pig' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for prying that I've seen before include "Intrusive" , "Curious" , "Being nosy" , "Snooping, nosing" , "Become less reserved" .)

I've seen this clue in the Sydney Morning Herald.
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