The Crow




Once you have bought the Crow Egg (45 BB in the Supply Store),
you'll find it in your inventory, on the "vase" icon.



The incubation time is 168 hours.
Which can be reduced to 1 hour if you add an Egg Warmer (39 BB in Supply Store).

Once ready to hatch:


And when you harvest it:

you'll get a 250 EP hatching bonus,
and the crow effects are:
5% EP bonus for 15 minutes
with a cool-down timer set to 12 hours.

You can have a maximum of one item per field.

Source Official Farmerama Forums.