|Shoebill (Balaeniceps rex)|
Balaenicipitidae is a family of birds in the order Pelecaniformes, although it was traditionally placed in Ciconiiformes. The shoebill is the sole extant species and its closest relative is the Hamerkop (Scopus umbretta), which belongs to another family.
It has the following genera:
A sharp hooked tip to the upper beak
A furrow in the upper beak below the nasal openings
An ossified septum
Vestigial or absent expansor secundariorum muscle