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- 01The dik-dik's preorbital gland sits so close to the eye that marking a twig looks like self-blinding.
- 02Mated pairs are monogamous for life; the male shadow-follows the female within two body-lengths at all times.
- 03When alarmed, dik-diks produce a sharp 'dik-dik' nasal whistle that named the entire species.