Explanation

Pollination of flowers by birds is called ornithophily. Ornithophilous flowers are large sized, brightly coloured, odourless and produce a large amount of mucilagenous nectar as drinking material of birds, e.g., Strelitzia reginae, Bigonia, Aloe vera, Salmelia. Pollination of flowers by means of bats is called cheiropterophily. Eidoling helvum,a large and strictly vegetarian bat visit the flowers of Adansonia digitata to extract nectar.