Category: Africa

Grey Parrot (Psittacus erithacus)

[order] PSITTACIFORMES | [family] Psittacidae | [latin] Psittacus erithacus | [authority] Linnaeus, 1758 | [UK] Grey Parrot | [FR] Perroquet gris | [DE] Graupapagei | [ES] Loro Yaco | [NL] Grijze Roodstaartpapegaai | [copyright picture] L.Miguel Bugallo Sanchez Subspecies Genus Species subspecies Region Range Poicephalus erithacus Psittacus erithacus AF w, c Psittacus erithacus erithacus se […]

Colonial and associated with coot (fulica atra) nesting in great crested grebe (podiceps cristatus), comparison of three lakes

Great Crested Grebe (Podiceps cristatus) Science Article 5 abstract Nesting of the Great Crested Grebe in loose colonies and in close association with the Coot was investigated in Lakes Meteliai and Obelija in 1983-?1986 and 1999 and in Lake paltytis in 1984-?1986. Particular lakes and years were considered as integrators of between-lake and between-year differences […]

Reproductive parameters in relation to food supply in the whiskered tern ( Chlidonias hybrida )

Whiskered Tern (Chlidonias hybridus) Science Article 1 abstract It is generally accepted that breeding terns are sensitive to food supply and that their reproductive effort could be substantially affected by the availability and access to resources. In this study we examined reproductive parameters in the whiskered tern Chlidonias hybrida in relation to food supply during […]

Stationary underwater prey missed by reef herons, Egretta gularis: head position and light refraction at the moment of strike

Western Reef Heron (Egretta gularis) Science Article 2 abstract This paper attempts to verify the importance of spatial positioning of the eyes of reef herons Egretta gularis schistacea, when coping with light refraction at the air-water interface. Gadi Katzir et al, J Comp Physiol A (1989) 165:573-576 Download article download full text (pdf)

Western Reef-Heron Egretta gularis in Brazil (Ciconiiformes: Ardeidae)

Western Reef Heron (Egretta gularis) Science Article 5 abstract The Western Reef-Heron Egretta gularis is a polytypic species with discontinuous tropical range along West (nominate subspecies) and East Africa to the Red Sea, Persian Gulf and southwest India (E. g. schistacea). In West Africa, it breeds locally on coasts and offshore islands, from Mauritania Carmem […]

First confirmed record of Western Reef-Heron (Egretta gularis) for South America

Western Reef Heron (Egretta gularis) Science Article 4 abstract At 3 P.M. ON WEDNESDAY, January 22, 1986, a group of 15 people on a birding tour of Trinidad observed a medium-sized, dark heron land and begin feeding in the ‘Pumpkin Patch’ area of southern Nariva Swamp. William L. Murphy and Winston Nanan, Am. Birds 41(1):16-27 […]