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Herpetological Bulletin 4 The HERPETOLOGICAL BULLETIN Number 73 — Autumn 2000 Natural history of Mabuya affinis • Advertisement call of the Indian Bronzed Frog • Thermoregulation and activity in captive Ground Iguanas • Herpetofauna of Zaranik Protected Area, Egypt • Combat in Bosc's Monitors • Herpetofauna of Brisbane and its suburbs Herpetofauna of Zaranik Protected Area, Egypt THE HERPETOFAUNA OF ZARANIK PROTECTED AREA, EGYPT, WITH NOTES ON THEIR ECOLOGY AND CONSERVATION SHERIF BAHA EL DIN' AND OMAR ATTUM2 1 3 Abdalla El Katib St., Apt. 3, Dokki, Cairo, Egypt [author for correspondence] 2 Dept. of Biology, University of Louisville, Louisville, KY 40292, USA INAI is herpetologically the richest region in features of Zaranik's herpetofaunal communities 1.3Egypt (Flower, 1933; Saleh, 1997), with 67 of and their conservation status. Egypt's 110 reptile and amphibian species, or about 63% of the country's known herpetofauna. THE HERPETOFAUNA OF ZARANIK This is due in part to the peninsula's varied To date, 24 species of reptiles have been topography and climatic conditions and to its recorded from Zaranik (Table 1). No amphibians unique location at the juncture of three are known, although the Green Toad Bufo viridis biogegraphical regions: the Saharo-Arabian, could occur on a limited basis in some Irano-Turanian and Sudanian (Werner, 1987). depressions with cultivations on the southern Northern Sinai, where Zaranik Protected Area is boundary of the Protected Area. located, constitutes a distinct physiographic sub- Fifteen species of lizards have been recorded. region of the peninsula. The topography in this These include four Gekkonids: Petrie's Gecko area has a much lower profile than that of Stenodactylus petrii, Elegant Gecko S. mountainous South Sinai, and extensive dune sthenodactylus, Turkish Gecko Hemidactylus fields dominate the landscape. turcicus and Fan-toed Gecko Ptyodactylus Zaranik Protected Area (approx. 31` 05'N hasselquistii. The first, being cursorial and sand 33°28'E) occupies 250 km2. The main dwelling, is by far the most common and herpetofaunal habitats are undulating sand and widespread. The latter two rupicolous geckos are recent introductions whose distribution is dunes (occupying the largest area), salt marshes, currently limited to a few man-made structures. beaches, and the marine waters of the This is the first report of P. hasselquistii from Mediterranean. There are limited areas of harder North Sinai. The species was previously known substrates (coarse compacted sand), but some 20 only from South Sinai and further west in Egypt km further inland extensive gravel plains exist. (e.g. Werner & Sivan, 1994; Saleh, 1997). In fact Annual rainfall ranges between 50-100 mm. the Zaranik animals show similarity with Nile Vegetation is generally sparse (5-10% coverage Valley rather than South Sinai populations, on average). The dominant species in the salt indicating that probably they were carried with marshes are Halocnemum strobilaceum and materials originating from the Nile Valley. The Salicornia europaea. Zygophyllum aegyptium Fan-toed Gecko, P. guttatus, is the congener shrubs are found on higher and less saline typically known from elsewhere in North Sinai. ground. On sand dunes the prominent species are S. sthenodactylus is apparently rare in the the two grasses Stipagrostis scoparia and Protected Area, being recorded only once in Panicum turgidum. Other common species August 1999. The species is typical of hard include Artemisia monospenna, Retama raetam, coarse substrates but seems to penetrate the and Thymelaea hirsuta. dunes in small numbers, probably along This paper reports general preliminary corridors of suitable habitat. Werner (1987) observations made during extensive reports the species on coastal dunes of the herpetological studies and discusses relevant Levant to a point north of Haifa. Number 73 — Herpetological Bulletin 17 Herpetofauna of Zaranik Protected Area, Egypt Two Agamids are found: Savignis Agama exclusively found amongst patches of desert Trapelus savignii, and Uromastyx aegyptia. vegetation. Infrequently individuals are found Trapelus savignii is a species of special crossing open ground in haste, moving from one conservation concern. The world range of this cluster of vegetation to another. species is almost wholly restricted to northern Varanidae is represented by the Desert Sinai and Zaranik Protected Area therefore Monitor, Varanus griseus. The species is the top provides an important conservation opportunity diurnal terrestrial predator at Zaranik, often feeding of breeding for this lizard. Only one record of on nestlings waterbirds on the shores of Lake Bardawil (in the summer) and U. aegyptia is known, this was of an immature on the abundant resting migrant birds (during animal found as a traffic casualty on the southern migration seasons). boundary of the Protected Area (Varty & Baha Only five species of snakes have been El Din, 1991). recorded with certainty. These are the Lesser Four lacertids are found: Saharan Fringe-toed Sand Viper Cerastes vipera and the four Lizard Acanthodactylus longipes, Nidua Lizard colubrids, Schokari Sand Snake Psammophis A. scuttellatus, Bosc's Lizard A. boskianus, and schokari, Diademed Sand Snake Lytorhynchus Oliver's Lizard Mesalina olivieri. diadema, Clifford's Snake Spaleorsophis Acanthodactylus longipes is the most common diadema and Moila Snake Malpolon moilensis. and prominent reptile species throughout much Cerastes vipera is the only venomous snake of the Protected Area, where it shares sandy known in the Protected Area. Both S. diadema habitats with its congener A. scutellatus. These and M. moilensis have been recorded on single two very similar species partition their fairly occasions at the southern boundary of the simple habitat along spatial, thermal and Protected Area (Varty & Baha El Din, 1991). temporal dimensions (Baha El Din, 1996 & in The three other species are equally common and prep.). Acanthodacolus boskianus is found widespread. Both L diadema and C. vipera are amongst dense halophytic vegetation on several largely confined to sandy biotopes and are small islands in Lake Bardawil within the limits nocturnal. Psammophis schockari is diurnal and of the Protected Area. The nominate subspecies can be found in salt marshes, as well as dunes. (large in size, with numerous dorsals) is present Four species of Chelonia have been recorded, here. Animals belonging to the subspecies asper including the highly endangered Egyptian are to be found at the eastern perimeter of the Tortoise Testudo kleinmanni and three marine Protected Area. Mesalina olivieri is also strongly turtles, the Loggerhead Turtle Caretta caretta, associated with densely vegetated microhabitats Green Turtle Chelonia tnydas, and Leather- and is found in both halophytic vegetation near backed Turtle Dermochelys coriacea. Testudo shores and also in dune vegetation. kleinmanni has become almost extinct from Three skinks occur: Sand Fish Scincus North Sinai, due to severe habitat degradation scincus, Audouin's Skink Sphenops sepsoides, and intense collection pressure for the pet trade. and Oce I lated Skink Chalcides ocellatus. The occurrence of the species in the Protected Sphenops sepsoides is the most common Area has been suspected for a long time (Baha nocturnal reptile during the summer season; in El Din, 1994). In Spring 2000 a small and highly winter, it is frequently observed during the day. fragmented population was found within the Scincus scincus is diurnal, while the generalist limits of the Protected Area (Baha El Din et al. C. ocellatus is mostly crepuscular. in prep.). Caretta caretta has recently been Despite it being an arboreal species the found to have its largest nesting site along the Common Chameleon Chamaeleo chanzaeleon is Egyptian Mediterranean coast near Zaranik widespread throughout much of the Protected (Waheed Salama pers. com.). Chelonia mydas is Area, especially in dune areas. Here it is almost also believed to breed, but in smaller numbers. 18 Herpetological Bulletin - Number 73 Herpetofauna of Zaranik Protected Area, Egypt Mesalina olivieri. Zaranik. All photographs by authors. Trapelus savignii. Zaranik. Scincus sctncus. Zaranik. Sphenops sepsoides. Zaranik. Stenodactylus petrii. Zaranik. Testudo klienmanni. Zaranik. Number 73 — Herpetological Bulletin 19 Herpetofauna of Zaranik Protected Area, Egypt Habitat Species 1 2 3 4 6 7 Stenodactylus petrii Anderson, 1896 X X Stenodactylus sthenodactylus (Lichtenstein, 1823) Ptyodactylus hasselquistii (Donnodorff, 1798) X Hemidactylus turcicus (Linnaeus, 1758) X Trapelus savignii Dumeril & Bibron, 1837 X X Uromastyx aegyptia Forskal, 1775 Chamaeleo chamaeleon (Linnaeus, 1758) X X X Acanthodactylus boskianus (Daudin, 1802) X Acanthodactyhts scutellatus (Audouin, 1829) X Acanthodartylas longipes Boulenger, 1918 X Mesa!Ma olivieri (Audouin, 1829) X X Varanus griseus (Daudin, 1803) X Chalcides ocellatus (Forskal, 1775) X Sphenops sepsoides (Audouin, 1827 X Scincus scincus (Linnaeus, 1758) X Lytorhynchus cliadema (Dumeril, Bibron & Dumeril, 1854) X X Malpolon moilensis (Reuss, 1834) Spalemsophis diadema (Schlegel, 1837 X psommophis schokari (Forskal, 1775) X X Ceraves ripen' (Linnaeus, 1758) X Testttclu kleinnumni Lortet, 1883 X Careful carats (Linnaeus, 1758) X CheIonia mychis (Linnaeus, 1758) X Dermochelys coriacea (Vandelli, 1761) 1 = Dunes, 2 = Undulating sand, 3 = Harder substrates, 4 = Salt i 11,11 ,11' 13u1 1111.1gS, 6 = Beach, 7 = Marine waters. Table 1. The reptiles of Zaranik Protected Area and
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