Introduction: Not much is known about the greater swamp-warbler (Acrocephalus rufescens), apart from it is solitary and secretive and likes to climb up and down papyrus stems, hopping from one to another in eastern Caprivi swamplands.
Distribution: Mahango National Park, Mudumu National Park and Nkasa Rupara National Park.
Diet: Eats insects and small frogs by foraging low-down on papyrus and at times, breaking cover to visit lily pads.
Description: Dark olive-brown upper parts with a dark brown tail and flight feathers. The underparts are greyish-white.
Breeding: A deep papyrus/reed cup is lined with papyrus leaves. Females lay 2 or 3 eggs in either September, November or December and incubated for at least 14 days.
Size: 18cm.
Weight: 19g.