Reptilia, Colubridae, Pseustes sulphureus: distribution extension, new state record

First record of Sebekia oxycephala (Pentastomida: Sebekidae) infecting Helicops infrataeniatus (Reptilia: Colubridae), São Paulo State, Brazil.

بررسی تغییرات ریخت‌شناختی (Hemorrhois ravergieri (Reptilia: Ophidia: Colubridae در ایران

Hemorrhoisravergieri ازجمله مار­های با پراکنش وسیع در ایران است. تحقیقات اخیر تمایزات ظاهری قابل توجهی را بین نمونه­ های موجود در زیستگاه ­های مختلف نشان داده است. دراین پژوهش، تفاوت­ های ریختی این گونه در جمعیت­ های مختلف مورد بررسی قرار گرفت. بدین منظور، 52 نمونه مار پلنگی شامل 30 نر، 16 ماده و 6 نابالغ از12 استان جمع ­آوری گردید. نت...

A new species of cat snake (Reptilia: Serpentes: Colubridae: Boiga) from dry forests of eastern Peninsular India.

A new species of cat snake, related to Boiga beddomei (Wall, 1909), is described from the dry forests of eastern Peninsular India. It occupies a large geographic range from Berhampore (type locality), near the River Mahanadi in the northeast to Kaigal near the southern Eastern Ghats in the southwest. The new species is diagnosed by having the following combination of characters: 19 dorsal scale...

An integrative systematic revision and biogeography of Rhynchocalamus snakes (Reptilia, Colubridae) with a description of a new species from Israel

BACKGROUND The colubrid snakes of the genus Rhynchocalamus are seldom studied and knowledge of their ecology and life history is scarce. Three species of Rhynchocalamus are currently recognized, R. satunini (from Turkey eastwards to Iran), R. arabicus (Yemen and Oman), and R. melanocephalus (from the Sinai Peninsula northwards to Turkey). All are slender, secretive, mainly nocturnal and rare fo...

RepRoductive consequences of a changing pRey base in island WateRsnakes (Reptilia: colubRidae)

island populations of the lake erie watersnake (Nerodia sipedon insularum) have experienced a dramatic environmental change in the form of a new abundant prey species, the round goby (Neogobius melanostomus). effects of this biotic change on watersnake reproductive characteristics were tested by comparing offspring size and the relationship between female size and offspring number before and af...