 Camouflaged desert lizard Arabian toad headed agama (Phrynocephalus arabicus) in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Desert rock carved by drifting sand (aeolian abrasion) in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Bush of Leptadenia pyrotechnica in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Sand mound with Leptadenia pyrotechnica in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 View from a crest of sand dune in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Sand-blast type of wind abrasion in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Aeolian abrasion of limestone rocks (carved by drifting sand) in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Sedge (Cyperus conglomeratus)(?) growind at the foot of a sand dune in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) on rocky plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Some grass, probably sedge (Cyperus conglomeratus)(?), growing on a crest of sand dune in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) standing on rocks at hot afternoon in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) standing on sand at hot afternoon in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) with raised tail used for visual signals in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) standing on extended legs on sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Frightened desert lizard Arabian toad headed agama (Phrynocephalus arabicus) changing coloration of its scales to grey and yellow in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) with fringes of long scales around the eyes to keep out sand grains in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) standing on extended legs to limit contact with hot sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Tracks of toad-headed agama lizard at the foot of a sand dune near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Head of desert lizard yellow-spotted agama (Trapelus flavimaculatus) in Mesainea Rawdat Jarrah, north-east from Dukhan. Qatar, December 4, 2015
 Close up of a head of desert lizard yellow-spotted agama (Trapelus flavimaculatus) in Mesainea Rawdat Jarrah, north-east from Dukhan. Qatar, December 4, 2015
 Brown colored desert lizard yellow-spotted agama (Trapelus flavimaculatus) in Mesainea Rawdat Jarrah, north-east from Dukhan. Qatar, December 4, 2015
 Side view of desert lizard yellow-spotted agama (Trapelus flavimaculatus) in Mesainea Rawdat Jarrah, north-east from Dukhan. Qatar, December 4, 2015
 Karst feature in Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
 Blue colored disturbed desert lizard yellow-spotted agama (Trapelus flavimaculatus) showing its teeth in Mesainea Rawdat Jarrah, north-east from Dukhan. Qatar, December 4, 2015
 Blue colored disturbed desert lizard yellow-spotted agama (Trapelus flavimaculatus) showing its dewlap in Mesainea Rawdat Jarrah, north-east from Dukhan. Qatar, December 4, 2015
 Frightened blue head desert lizard Yellow-spotted Agama (Trapelus flavimaculatus). Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Sunning dhub (spiny-tailed agama, Egyptian spiny-tailed lizard, dhab, mastigure, Uromastyx aegyptia) in desert in industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Sun bathing dhub (spiny-tailed agama, Egyptian spiny-tailed lizard, dhab, mastigure, Uromastyx aegyptia) in undeveloped desert in industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Blue head lizard Yellow-spotted Agama (Trapelus flavimaculatus) on sand. Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Carcass of dhub (spiny-tailed agama) in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Parasitic plant Cistanche tubulosa (desert hyacinth) emerging from sand near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Emerging parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Measuring a burrow of dhub (spiny-tailed agama) with a ruler in desert. Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
 Desert plant Andrachne telephioides in a silty depression near Al Nuaman (Numan) in north-western Qatar, October 24, 2015
 Sand tracks of a big desert lizard in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Flower buds of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Searching entrance holes of burrows of dhub (spiny-tailed agama) in desert. Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
 Mat of Knucklehead Weed (Sclerocephalus arabicus, Paronychia sclerocephala, local names hasak, thereisa) in roadside depression near Dukhan Highway. Qatar, January 15, 2016
 Sunning dhub (spiny-tailed agama, Egyptian spiny-tailed lizard, dhab, mastigure, Uromastyx aegyptia) near its burrows whose roasted tail is considered a delicacy. Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
 Poop of a desert lizard with remains of plants in sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Sclerocephalus arabicus in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Lizard s burrow in sand near Mesaieed, near Sealine Beach Resort. Southern Qatar, July 10, 2015
 Purple shoot of parasitic plant Cistanche tubulosa (desert hyacinth) emerging from sand on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Yellow flower of Arabian Primrose (Arnebia hispidissima) in desert. Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
 Seedling of Tribulus macropterus var. arabicus in sand near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, January 22, 2016
 Flower of Tribulus macropterus var. arabicus in sand near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, January 22, 2016
 Blooming Tribulus macropterus var. arabicus in sand near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, January 22, 2016
 Yellow flowers of Arabian Primrose (Arnebia hispidissima) in desert on hills of Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Seedling of Tribulus macropterus var. arabicus on sand dunes near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, January 22, 2016
 Texture of Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
 Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) from its bottom in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
 Parasitic plant Desert Hyacinth (Cistanche tubulosa) with a host plant Arthrocnemum macrostachyum (glasswort, local name shnaan) in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Yellow-spotted Agama (Trapelus flavimaculatus) lizard on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Yellow-spotted Agama (Trapelus flavimaculatus) lizard on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Bell weed (Ruellia prostrata) taken from Al Bidda Street near crossing with Al Adaid in West Bay. Doha, Qatar, April 28, 2015
 Large yellow flower of Tribulus macropterus var. arabicus in sand near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, January 22, 2016
 Seedling of Tribulus macropterus var. arabicus emerging from sand in dunes near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, January 22, 2016
 Young plant of Tribulus macropterus var. arabicus on sand dunes near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, January 22, 2016
 Shallow depression in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 7, 2015
 Light beam in Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
 Desert lizard Eastern sandfish (skink, Chalcides mitranus, Scincus mitranus) in sand near dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Desert lizard Eastern sandfish (skink, Chalcides mitranus, Scincus mitranus) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Desert lizard Eastern sandfish (skink, Chalcides mitranus, Scincus mitranus) on rock near dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Yellow-spotted Agama (Trapelus flavimaculatus) lizard on a stone on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Close up of yellow-spotted Agama (Trapelus flavimaculatus) lizard on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Yellow-spotted Agama (Trapelus flavimaculatus) lizard on sand on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Flowers of bell weed (Ruellia prostrata) taken from Al Bidda Street near crossing with Al Adaid in West Bay. Doha, Qatar, April 28, 2015
 Close up of a desert lizard Eastern sandfish (skink, Chalcides mitranus, Scincus mitranus) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Morning beam of light in Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
 Taking pictures of yellow-spotted Agama (Trapelus flavimaculatus) lizard on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Bell weed (Ruellia prostrata) on white background taken from Al Bidda Street near crossing with Al Adaid in West Bay. Doha, Qatar, April 28, 2015
 Bell weed (Ruellia prostrata) on dark background taken from Al Bidda Street near crossing with Al Adaid in West Bay. Doha, Qatar, April 28, 2015
 Snake-tailed fringe-toed lizard (Acanthodactylus opheodurus) caught in desert. Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
 Side view of a flower of bell weed (Ruellia prostrata) taken from Al Bidda Street near crossing with Al Adaid in West Bay. Doha, Qatar, April 28, 2015
 Flowers of bell weed (Ruellia prostrata) on white background taken from Al Bidda Street near crossing with Al Adaid in West Bay. Doha, Qatar, April 28, 2015
 Schmidt s fringed-toed lizard (Acanthodactylus schmidti) in sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, July 11, 2015
 Cluster of yellow spring flowers of Arabian Primrose (Arnebia hispidissima, local name Hasheshat al arneb) in desert on hills of Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Close up of Schmidt s fringed-toed lizard (Acanthodactylus schmidti) in sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, July 11, 2015
 Head of Schmidt s fringed-toed lizard (Acanthodactylus schmidti) in sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, July 11, 2015
 Schmidt s fringed-toed lizard (Acanthodactylus schmidti) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, July 11, 2015
 Desert plant purslane-leaved aizoon (Aizoon canariense) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Sedge (Cyperus conglomeratus) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Blooming tamarisk (Tamarix aphylla) north from Al Khor Hospital. Qatar, January 30, 2015
 Blooming bell weed (Ruellia prostrata) in a mat of trimmed Sesuvium plants on a lawn at Al Bidda Street near crossing with Al Adaid in West Bay. Doha, Qatar, April 28, 2015
 Inflorescence of tamarisk (Tamarix aucheriana) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Flowers of tamarisk (Tamarix aucheriana) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Pink flowers of tamarisk (Tamarix aucheriana) north from Al Khor Hospital. Qatar, January 30, 2015
 Inflorescence tamarisk (Tamarix aphylla) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Atriplex leucoclada in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Desert gourd Citrullus colocynthis in a silty depression in Al Nuaman (Al Numan) near Zubara. Northern Qatar, March 20, 2015
 Jaow Al Hamar depression south from Trainah. Southern Qatar, November 6, 2015
 Large grain-like fruits of desert plantain Plantago amplexicaulis (local names rablat al mistah, lesan al hamal) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Dry seeds of Medicago laciniata carpeting the ground of a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Tussock of grass pan dropseed (Sporobolus ioclados) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Blooming marsh fleabane (Pluchea dioscoridis) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Close up of tamarisk flowers (Tamarix aphylla) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Twig of tamarisk (Tamarix aucheriana) with flowers taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Tamarisk (Tamarix aucheriana) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Tamarisk (Tamarix aphylla) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
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