The Western Winter Wren can sing 36 notes per second, more than double the 16 notes that the Eastern version can sing. – WTF Fun Facts
Source: https://www.allaboutbirds.org/how-does-a-tiny-bird-like-a-winter-wren-manage-to-sing-so-many-sounds-so-quickly-and-so-loudly/
WTF Fun Fact – Singing Winter Wren
