Short Note

Egg-capping in the Southern Ground-Hornbill Bucorvus leadbeateri

  • Kathleen F Carstens


Egg-capping’ describes occurrences of the empty shell from a hatched egg slipping over an unhatched egg from the same clutch. It is a rare phenomenon, occurring typically in <2% of nests monitored. Here I report the first two observed cases of egg-capping in the endangered Southern Ground-Hornbill Bucorvus leadbeateri. In north-eastern South Africa, egg-capping occurred in 4.3% of nests that contained two eggs with one or more surviving to hatching.

Keywords: Associated Private Nature Reserves, Bucorvus leadbeateri, egg-capping, Southern Ground-Hornbill

OSTRICH 2014, 85(1): 89–91

Author Biography

Kathleen F Carstens
DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, University of Cape Town, Cape Town, South Africa

Journal Identifiers

eISSN: 1727-947X
print ISSN: 0030-6525