Female hornbills seal themselves inside tree nests
Female hornbills remarkably seal themselves inside tree nests during egg incubation, relying on males to deliver food through a narrow slit for unparalleled protection.
Female hornbills, found in tropical Africa and Asia, display an extraordinary nesting strategy. During breeding, the female enters a tree cavity and, with the male's help, seals the entrance with mud, fruit pulp, and feces, leaving only a narrow slit. This imprisons her for 25 to 40 days while she incubates her eggs.
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