अमानुषेष्वपि चैतद्दृश्यते ॥ कZ_०१.८.१८ ॥
amānuṣeṣv api caitad dṛśyate
On le voit même chez des êtres non humains.
To frame loyalty-by-affinity as a broadly observable behavioral pattern, strengthening the argument by analogy.