.

The inhabitants of Thessaly, of Illyria, and of Lemnos regard jackdaws as benefactors and have decreed that they be fed at the public expense, seeing that jackdaws make away with the eggs and destroy the young of the locusts which ruin the crops of the aforesaid people. The clouds of locusts are in fact considerably reduced and the season's produce of these people remains undamaged.

Aelian (175 – 235 CE). On the characteristics of animals.

.