hamerkop
Concise Oxford English Dictionary © 2008 Oxford University Press:
hamerkop /ˈhɑːməkɒp/ (also hammerkop)
▶noun a brown African marshbird related to the storks, with a crest that looks like a backward projection of the head. [Scopus umbretta.]
– origin C19: from Afrik. hamerkop, from hamer ‘hammer’ + kop ‘head’.
'hamerkop' also found in these Oxford entries:

