African cuckoo
... that in South Africa, fewer than 40% of African cuckoo eggs are successfully hatched and the chicks raised by their foster parents?
... that in South Africa, fewer than 40% of <b id="mwAjU"><a href="./African_cuckoo" id="mwAjY" rel="mw:WikiLink" title="African cuckoo">African cuckoo</a></b> eggs are successfully hatched and the chicks raised by their foster parents?