Bal-chatri are traps designed to catch birds of prey. The trap essentially consists of a cage baited inside with a conspicuously visible live rodent or small bird, with a series of monofilament nooses
Bal-chatri made of split bamboo with a small bird as bait used for trapping shikras (India, 1897)
Shrikes are passerine birds of the family Laniidae. The family is composed of 34 species in two genera.
Bal-chatri
…that attempts to take the bait. The name is derived from the Hindi word used by trappers in India. Modified bal-chatri traps are also used for catching shrikes. The bal-chatri originated in East India as a trap developed and used by falconers to catch suitable birds of prey to train for use in hunting. It…
A lizard impaled on a thorn by a shrike for later consumption.
A Sardinian warbler impaled by a shrike in Italy; shrikes sometimes use man-made spikes, such as barbed wire, in place of thorns.
Southern White crowned Shrike, Eurocephalus anguitimens, gleaning ants from the early morning soil at Marakele National Park, South Africa