The blackbuck, an Indian antelope with long, spiral horns, scientifically named Antilope cervicapra or Cervicapra pygargus.
From Latin cervus (deer) plus capra (goat), because the animal combines deer-like and goat-like characteristics; the scientific binomial naming system preserves this descriptive term.
The blackbuck's scientific name literally means 'deer-goat' because early naturalists couldn't decide what it was—it's so unique to India that it had no European comparison, so they just mashed two animal names together.
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