kākaḥ kṛṣṇaḥ pikaḥ kṛṣṇaḥ ko bhedaḥ pikakākayoḥ |
vasantakāle saṃprāpte kākaḥ kākaḥ pikaḥ pikaḥ ||
Crow is black, cuckoo bird is (also) black. What is the difference between crow and cuckoo bird ? (But) When spring arrives crow is crow and cuckoo bird is cuckoo bird.