David Pattyn / Worm snake (Xerotyphlos vermicularis), Kresna gorge, South west Bulgaria, April

David Pattyn / Worm snake (Xerotyphlos vermicularis), Kresna gorge, South west Bulgaria, April

Dong Lei / Brahminy blind snake (Ramphotyphlops braminus) Guangxi province, China

Konrad Wothe / Velvet Swampsnake (Erythrolamprus typhlus), Panguana Nature Reserve, Peru

MYN / Andrew Snyder / Guyana blind snake (Epictia albifrons), Berbice River, Guyana, September. Meetyourneighbours.net project.

MYN / Andrew Snyder / Guyana blind snake (Epictia albifrons) close up of head, Berbice River, Guyana, September. Meetyourneighbours.net project.

MYN / Andrew Snyder / Guyana blind snake (Epictia albifrons), Berbice River, Guyana, September. Meetyourneighbours.net project.

Daniel Heuclin / Beaked thread snake (Myriopholis algeriensis) profile, near Ouarzazate, Morocco.

Daniel Heuclin / Beaked thread snake (Myriopholis algeriensis) near Ouarzazate, Morocco.

Daniel Heuclin / Beaked thread snake (Myriopholis algeriensis) in hand, near Ouarzazate, Morocco.

Piotr Naskrecki / Peter's Thread Snake (Leptotyphlops scutifrons), Gorongosa National Park, Mozambique

Piotr Naskrecki / Peter's Thread Snake (Leptotyphlops scutifrons), Gorongosa National Park, Mozambique

Stephen Dalton / Worm snake (Typhlops vermicularis) held in human hand, Corfu, Greece, May.

Stephen Dalton / Worm snake (Typhlops vermicularis) on ground, Corfu, Greece, May.

MYN / Andrew Snyder / Blind swamp snake (Liophis typhlus) Chenapau, Guyana. Meetyourneighbours.net project.

Daniel Heuclin / Southwestern blind Snake (Rena / Leptotyphlops humilis humilis) held in hand, near Mecca, California, April

Daniel Heuclin / Southwestern blind Snake (Rena / Leptotyphlops humilis humilis) on ground, near Mecca, California, April

Daniel Heuclin / Southwestern blind Snake (Rena / Leptotyphlops humilis humilis) on ground, near Mecca, California, April

Chris Mattison / Schinz's beaked thread snake (Rhinotyphlops schinzi). Springbok, South Africa.

Tony Phelps / Delande's Beaked Blind Snake (Rhinotyphlops lalandei) Pringle Bay, Western Cape, South Africa

Tony Phelps / Delande's Beaked Blind Snake (Rhinotyphlops lalandei) Pringle Bay, Western Cape, South Africa

James Brickell / Blind Tiger Snake (Notechis scutatus) and Silver Gull (Chroicocephalus novaehollandiae) on Carnac Island, Perth, Western Australia. A proportion of the tiger snakes on the island (including this one)...

Robert Valentic / Blind snake {Ramphotyphlops nigrescens} female, burrowing species that feeds on ant eggs, larvae and pupae, Armadale, New South Wales, Australia

Robert Valentic / Bandy bandy snake {Vermicella annulata} feeding on its sole diet, a Blind snake {Ramphotyphlops nigrescens} Queensland, Australia

Robert Valentic / Bandy bandy snake {Vermicella annulata} female feeding on its sole diet, a Blind snake {Ramphotyphlops nigrescens} Queensland, Australia

Robert Valentic / Robust blind snake {Ramphotyphlops ligatus} Bonshaw, New South Wales, Australia

Michael & Patricia Fogden / Peter's Thread Snake (Leptotyphlops scutifrons) on savannah, southern Africa

Michael & Patricia Fogden / Western Thread Snake (Leptotyphlops occidentalis) coiled on ground, Etosha National Park, Namibia

Michael & Patricia Fogden / Western Thread Snake (Leptotyphlops occidentalis) close-up of head, Etosha National Park, Namibia

Michael & Patricia Fogden / Giant Blind Snake (Typhlops schlegelii) portrait, Kruger National Park, South Africa

Michael & Patricia Fogden / Costa Rican Blind Snake (Typhlops costaricensis), Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Giant Blind Snake (Typhlops schlegelii) head showing vestigial eyes, southern Africa

Michael & Patricia Fogden / Giant Blind Snake (Typhlops schlegelii) coiled on ground, southern Africa

Michael & Patricia Fogden / Black Blind Snake (Leptotyphlops goudotii) on leaf in dry forest, Costa Rica

Michael & Patricia Fogden / Blind Snake (Ramphotyphlops sp) in the rainforest, Lacey Creek State Forest Park, Queensland, Australia

Michael & Patricia Fogden / Black-tailed Blind Snake (Ramphotyphlops grypus) in desert sand, defensive posture using tail that looks like head to confuse predators, Cape Range National Park, Western Australia

Barry Mansell / Brahminy blind snake {Ramphotyphlops braminus} Florida, USA introduced from

Barry Mansell / Brahminy blind snake {Ramphotyphlops braminus} Florida, USA

Piotr Naskrecki / Beaked Blind Snake (Afrotyphlops mucruso), Gorongosa National Park, Mozambique

Piotr Naskrecki / Beaked Blind Snake (Afrotyphlops mucruso), Gorongosa National Park, Mozambique

Pete Oxford / Giant Blind Snake (Typhlops schlegelii), Marakele National Park, Limpopo, South Africa

Piotr Naskrecki / Peter's Thread Snake (Leptotyphlops scutifrons) tail, Gorongosa National Park, Mozambique

Barry Mansell / Brahminy blind snake {Ramphotyphlops braminus} C (often confused with a worm)

Daniel Nunez / Black blind snake (Epictia goudotii), 20 cm in length, moving over gravel, Heloderma Natural Reserve, Zacapa, Guatemala.

Chris Mattison / Worm snake (Typhlops sp.) on a leaf, Sri Lanka.

Bruce Thomson / Woodland blind snake (Anilios proximus) portrait on sandy substrate, subterranean snake that feeds on eggs and larvae of bulldog ants, Inglewood, Queensland, Australia.

Bruce Thomson / Woodland blind snake (Anilios proximus) on sandy substrate, subterranean snake that feeds on eggs and larvae of bulldog ants, Inglewood, Queensland, Australia.

Bert Willaert / Blind snake (Ramphotyphlops depressus), Willaumez Peninsula, New Britain, Papua New Guinea, December

Bert Willaert / Blind snake (Ramphotyphlops depressus), Willaumez Peninsula, New Britain, Papua New Guinea, December

Robert Valentic / Southern blindsnake (Anilios australis) female from Mallee habitat near Hattah in NW, Victoria, Australia. Controlled conditions.

Robert Valentic / Prong-snouted blindsnake (Anilios bituberculatus) from Mallee habitat at Hattah in NW Victoria, Australia. Controlled conditions.

Robert Valentic / Long-beaked Blindsnake (Anilios grypus) from a spinifex sandplain near Kings Canyon in the Northern Territory, Australia. Controlled conditions.

Oscar Dewhurst / Short-toed (snake) eagle (Circaetus gallicus) in flight. Extremadura, Spain. March

Bert Willaert / Southern blind snake (Anilios australis) coiled on sand. Stirling Range National Park, Western Australia. November.

Bert Willaert / Southern blind snake (Anilios australis) coiled into ball on sand. Stirling Range National Park, Western Australia. November.

Bert Willaert / Southern blind snake (Anilios australis) coiled on sand. Stirling Range National Park, Western Australia. November.

Bert Willaert / Southern blind snake (Anilios australis) on sand, dorsal view. Francois Peron National Park, Shark Bay, Western Australia. October.

Bert Willaert / Southern blind snake (Anilios australis) on sand. Francois Peron National Park, Shark Bay, Western Australia. October.

Bert Willaert / Southern blind snake (Anilios australis), head poking out of orange sand. Francois Peron National Park, Shark Bay, Western Australia. October.

Bert Willaert / Southern blind snake (Anilios australis) on orange sand. Francois Peron National Park, Shark Bay, Western Australia. October.