So animals deficient in caudal appendages are to be avoided, as they are witches in disguise.
"The Book of Were-Wolves"
Sabine Baring-Gould
The crow blackbird's attempts at song are ludicrous in the extreme, as every note is cracked, and is accompanied by a ridiculous caudal gesture.
"Birds in the Bush"
Bradford Torrey
B. Two caudal vertebrae of same; natural size.
"The Student's Elements of Geology"
Sir Charles Lyell