The scent of ripe mackerel lured Black-tailed jack to the badger dig.
That's my guess, because the lagomorph's appetite for protein is high when forage is coarse and low in protein.
When a doe rabbit eats her neonates, the husbandryman's advice it to feed her more protein.
Back to Jack.
Ever vigilant, he startled.
Then he returned to examine the burrow wherein the ensconced can emitted its bacterial bouquet.
Looking puzzled, he paused.
And then disappeared into the gloamy light of a new day.