shitepoke
noun/ˈʃaɪtpəʊk/
Etymology From shite (“feces”) + poke (“bag”), with reference to the birds' habit of defecating when disturbed.
1
The green heron, Butorides virescens.
2
The black-crowned night heron, Nycticorax nycticorax.
3
The American bittern, Botaurus lentiginosus.