Day 51, 5 月 21 日 
Comprehensible Japanese いくつ？①人や動物の数え方
The dreaded counter video. First half was entirely 人, then came 匹 (small animals), 頭 (big animals), 羽 (flying animals), with a bonus round for 枚 (flat objects, here: photos). I’ll need to look a bit more in how those rendaku, 匹 especially.