Incubation varied between 23-25 days,Д¬LUTCH DATE LAID DATE HATCHED INCUBATION PERIOD (days) SEX Twenty-six of the 30 eggs (86.7%) were fertile. when the 8 began to moult, that the 9 stopped laying. In one instance two eggs were found on the same day. The greatest time lapse between eggs of the same clutch was five days, but most often the interval between first and second eggs was only 48 hours. The minimum interval between clutches was two weeks the maximum a month. All but two clutches consisted of two eggs, the remainder of one and three respectively. In the next 12 months the $! laid a total of 3 0 eggs in 15 clutches (Table I). The eggs are rotated in an arc of go' every two hours. The machme is operated at a temperature of 37.65'~ (dry bulb) and a humidity of 30-30.56'~ (wet bulb reading). The): were incubated in a Lyons glass-sided, forced-air cabinet incubator, but for later clutches we havc used a Petersime Model 4ДЇorced-air, self-turning unit, as employed in commercial hatcheries. Although she made some attempt at buildmg a nest, she showed no interest in incubation and the eggs were removed for artificial hatching. On j and 6 March 1973, barely three months after she was introduced to her new quarters, the National Zoo $! laid her first clutch of two. Records indicate that two clutches - rarely three - of two eggs each per season are the norm for the species in captivity (Beebe, 1936 Delacour, 1951 Lint, 1965 Anon, Strawberry finches Amandava amandava punicea created any problems of coexistence.Дuring 1972 one of the pairs which had re- mained at the Sivelle aviaries laid four eggs in two clutches, the resulting young being the first of the subspecies reared in this country. argentauris, Indian pittas Pitta brachyura or Nor have the Turquoisine parrots Neophema pulchella, Orangeheaded ground thrushes Zoo- thera citrina, White-crowned pigeons Cofumba leucocephala, Emerald doves Chalcophaps indica, Pekin robins Leiothrix lutea, Silver-eared mesias L. The roulrouls Rolhlus roulroul and King quail Coturnix chinensis, the other galliforms, offer little competition for ground space on account of their relatively smallДЇig. Lighting is provided by four 150 W incandescent bulbs and four 40 W fluorescent lamps timed to give IZ hours of light daily.Д®ighteen other birds of ten species share the aviary with the argus pheasants. a s, the 0.6 m wide gravelled path and the concrete rim of the pool which he has also adopted are a particularly satisfactory choice of courting ground as visitors are able to view him at close range through the stretched piano wire cage front. An area approximately 3 x 1.5 m beside the pool has been left open for the ds use as display arena. I), well planted with Bambusia, Howea (Kentia palm) and Ficus shrubs to simulate the dense tropical forest of their natural habitat.

The birds are accommodated in an L-shaped comer aviary (Fig. It was one of five pairs captured from the wild in 1969 and owned by the private breeder, Charles Sivelle of Huntington, Long Island - the first of the subspecies to be imported into the United States. In November I972 the National Zoo acquired a pair of Bornean great argus pheasants Argusianus argusgrayi. GREENWELL2 Biological Technician, and eCurutor, Birds Unit, National Zoological Park, Smithsonian Institution, Washington, DCzooog, USA Wildfoowf 23: 135-136.ДЄn unusually prolific breeding season in the Bornean great argus pheasant Argusianus argus grayi (1972): Slimbridge: Curators Report for 1971. Turkey Master Breeders Pellets: manufactured by BOCM, Silcock of Basingstoke. PRODUCTS MENTIONED I N TEXT Chick Starter Crumbs: manufactured by BOCM, Silcock of Basingstoke, Hampshire, Great Britain. Once t h i s stage has been passed, the ducklings are much like any other waterfowl to rear despite their slower growth rate. The first ten days are the most critical. While the duckling is catching the mealworms, a certain amount of the dry food is taken up and soon the young birds eat the starter without any help from live food. Mealworms are also dropped on to a tray of starter crumbs. Is an attraction whlch the ducklings cannot resist and they devour them readily.

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