Greek Proverb: κολοιὸς παρὰ κολοιὸν

Here's a saying from Apostolius, C1.38, with a Latin version from Clavis Homerica. The image is by nottsexminer at Flickr. Here are some more Apostolius proverbs.

Ἀεὶ κολοιὸς παρὰ κολοιὸν ἱζάνει.
Monedulae semper monedula assidet.
One jackdaw always sits next to another.