Webster’s Revised Unabridged Dictionary · 1913
Thunderbird
Thun′der·bird′ (·bẽrd′), n. (Zoöl.) An Australian insectivorous singing bird (Pachycephala gutturalis). The male is conspicuously marked with black and yellow, and has a black crescent on the breast. Called also white-throated thickhead, orange-breasted thrust, black-crowned thrush, guttural thrush, and black-breasted flycatcher.