“What species of island crow, other than the New Caledonian Crow has also been shown to use tools?”
I recommend checking out the list of Corvus species on Wikipedia… take your best guess! Click the “Answer” tab after you’ve made your guess!
Hawaiian Crow or Alala
The Hawaiian crow has been shown to make tools in captivity. This species of crow was declared extinct in the ’90s, however, captive-bred animals are now being released into the wild.