Seabird’s culpability, eating a lot of fruit (9)
I believe the answer is:
guillemot
'seabird's' is the definition.
(guillemot is a kind of seabird)
'culpability eating a lot of fruit' is the wordplay.
I cannot quite see how this works, but
'lot' could be 'ill' (ill is a kind of lot) and 'ill' is located in the answer.
'of' could be 'o' and 'o' is present in the answer.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for guillemot that I've seen before include "Fisher" , "An auk" , "Diver" , "Seabird" , "cliff-ledge nester" .)