Surrogate mothers adopt orphaned red squirrels in the wild only when the conditions of Hamilton's rule were met.
Turbatus his Nero et propinquo die, quo quartum decimum aetatis annum Britannicus explebat, volutare secum modo matris violentiam, modo ipsius indolem, [le]vi quidem experimento nuper cognitam, quo tamen favorem late quaesivisset.WikiMatrix WikiMatrix