. The birds of South Africa. Birds. ANSEBBS ANAS 135 perhaps in German South-west Africa and along the Natal sea board. It appears to be partially migratory, its movements depend- ing on rainfall. Beyond our limits its range extends as far only as Angola on the west, but through Nyasaland and Central Africa as far as Abyssinia on the east. The following are recorded localities : Cape Colony—Cape and Mossel Bay division (S. A. Mus.), Vogel vlei in Paarl, Zoetendal's vlei in Bredasdorp, breeding (Layard and S. A. Mus.), Port EUzabeth, fairly common (Brown), East London, rare (Wood), King William
. The birds of South Africa. Birds. ANSEBBS ANAS 135 perhaps in German South-west Africa and along the Natal sea board. It appears to be partially migratory, its movements depend- ing on rainfall. Beyond our limits its range extends as far only as Angola on the west, but through Nyasaland and Central Africa as far as Abyssinia on the east. The following are recorded localities : Cape Colony—Cape and Mossel Bay division (S. A. Mus.), Vogel vlei in Paarl, Zoetendal's vlei in Bredasdorp, breeding (Layard and S. A. Mus.), Port EUzabeth, fairly common (Brown), East London, rare (Wood), King Williams Town (Trevelyan), St. John's Eiver, April (Short- ridge), near Taungs (Holub); Natal—Mooi Eiver, May and Novem-. PiG. 41.—Head of Anas undulata. x i ber (Buckley and Ayres), Weenen and Maritzburg (Woodward), Newcastle district (Butler) ; Orange Eiver Colony—Ehenoster Eiver (Ayres), Vredefort Eoad station (B. Hamilton), Vlakfontein in Harrismith district, breeding April (Sparrow), Basutoland very common (Murray); Transvaal — near Pretoria, June (Gates), Potchefstroom, July, August (Ayres) ; Bechuanaland — Lake Ngami and Botletli Eiver (Andersson), Nocana on the Okavango, July (Fleck); Ehodesia—Upper Zambesi (Holub), Mashonaland, not common (Marshall). Habits.—The Geelbec keeps as a rule to marshes, lakes and stagnant water, and avoids running streams ; it is usually found in pairs, though sometimes in larger numbers. Layard states that it is very shy and wary, but other observers have found it the reverse in this respect; probably this depends on the amount of molestation to which it is subjected. Its food consists of grass, seeds and vegetable matter, and like other Ducks, it moults its wing feathers all at once during the winter time, and is then careful to remain sheltered in thick Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustratio
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