Sun Mote Copse Teeny tiny aquamen

"Are they still birds, then?" Elfie asked, because in his mind any avian was a synonym to air-borne. He had not encountered the swimming weirdos Elwood had mentioned or those that preferred terrestrial life to one up in the trees or in the sky. 

"Or they pretend to be such?" this question came a moment later. And, if that was true, where there other animals that pretended to be, what they were not. For instance - pretend wolves? They looked like ones, but they weren't really?