Originally Posted By: zmjezhd
What about a gerund like "hunting?"

1. On hatching, the chicks scramble to the surface and head bush on their own.
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Still with number 1. Does it look strange because when heading means moving somewhere, it is usually followed by 'for'?

VERB:
intr.
To proceed or go in a certain direction: head for town.
To form a head, as lettuce or cabbage.
To originate, as a stream or river; rise.

I mean, this looks quite kosher, I think.

On hatching, the chicks scramble to the surface and head for bush on their own.