Definition of March hare in English:

March hare

noun

informal
  • A brown hare in the breeding season, noted for its leaping, boxing, and chasing in circles.

    • ‘She donated the painting of a zebra, a comparatively new subject for the artist who is better known for her pictures of mad March hares boxing and of owls.’
    • ‘Holstege points to the extraordinary behaviour seen in some animals during the breeding season, such as March hares, when the urge to mate seems to override the usual fear of predators.’
    • ‘There were lots of wheeling lapwings, many a musical skylark, a rabbit or two, a sane-looking March hare and a surprising number of bird scarers.’
    • ‘As I tramped pale flinty paths through the cornfields, larks sang and March hares frolicked.’