Matsya Purana 209.12

209.12

kākaḥ prasūtāṃ vṛkṣāgre svāmekāgreṇa cañcunā.
kākīṃ sambhāvayatyeṣa pakṣācchāditaputrikām .. 209.12 ..

These young cuckoos are enjoying themselves on the branches of the sweet smelling mangos Their bodies are besmeared with the dust and aroma of the sweet smelling flowers and are in pursuit of their females and are going from one branch to another See ! though there are many flowers in this forest, the male cuckoo has taken the flower stalk of Sahakâra flower and is enjoying it like his wife—11 See this crow sitting on the branch of that tree She is shielding her young ones with her wings and the male crow is feeding her after her delivery by his beak—12