Manusmriti
हत्वा हंसं बलाकां च बकं बर्हिणमेव च । वानरं श्येनभासौ च स्पर्शयेद् ब्राह्मणाय गाम् ॥ १३५ ॥
If he has killed a Hamsa, a Balaka, a heron, a peacock, a monkey, a falcon, or a Bhasa, he shall give a cow to a Brahmana.
english translation
hatvA haMsaM balAkAM ca bakaM barhiNameva ca । vAnaraM zyenabhAsau ca sparzayed brAhmaNAya gAm ॥ 135 ॥
hk transliteration by Sanscript