The best replacement for pheasant is grouse.

The best alternatives to pheasant are rated as following:
★★★★★  grouse
★★★  quail
★★  peasant
★★  capon
★★  rooster
★★  pheasants
★  peacock
★  prairie chicken
  partridge
  chukar

Your alternative for pheasant is not listed? Suggest!
Speaking about pheasant, one probably shouldn't forget about ringneck.

Other search terms related to pheasant and their ratings are:
★★★★★ ringneck
You have in mind a companion for pheasant and it is not yet here? Propose!



Google Trends

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pheasant
grouse
quail