Crossword Genius

The silly fellows may go to Canada! (5)

Ross

I believe the answer is:

geese

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

'the silly fellows' is the definition.
The definition and answer can be both people as well as being plural nouns.
Maybe you can see an association between them that I can't see?

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for geese that I've seen before include "They're seen in a gaggle" , "Edible water birds" , "Web-footed migratory aquatic birds" , "Birds; silly people" , "Ganders" .)

I've seen this clue in the Evening Standard.
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