mad as a March hare

Crazy. According to folklore, hares behave as though they're “sparring” with other hares and leaping around for no discernible reason during their breeding season. Their breeding season in Europe begins during the month of March.

Common Names:

Name	Pronounced	Usage
Quintus	KWIN-tuws (Ancient Roman), KWIN-təs (English)	Ancient Roman
BÜLent	-	Turkish
Karla	KAHR-lah (German)	German, Swedish, Norwegian, Danish, Croatian
Devin	DEV-in	English, Irish
Paulu	-	Corsican
Jan (1)	YAHN (Dutch, Swedish, Norwegian, Polish, German)	Dutch, Swedish, Norwegian, Danish, Czech, Polish, Slovene, German, Catalan