Would have been better if they hadn't bungled their mixed metonymy...

It's a stitch in the bird is worth a pound of eggs off a duck's back, as everyone knows...*

* Courtesy of the excellent "Field Guide of Egregious Mixed Metonomies", soon to be published by Penguin Random House Simon Schuster Merriam Webster Britannica, I'm told

Tiny heads-up: it’s "MastOdon" not "MastAdon". Seems like a common mistake

Thanks