 Qatar Natural History Group (QNHG) exploring fossilized dugong bones embedded in desert floor under the guidance of a geologist Jacques LeBlanc in area of coastal sabkha in south-western Qatar, February 7, 2014
 Qatar Natural History Group (QNHG) looking at fossilized dugong bones embedded in desert floor under the guidance of a geologist Jacques LeBlanc in area of coastal sabkha in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) under the guidance of a geologist Jacques LeBlanc exploring fossilised stromatolites (microbial mats) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Fossilized dugong bones embedded in desert floor in area of coastal sabkha in south-western Qatar, February 7, 2014
 Geologist Jacques LeBlanc at the foot of ancient lithified dune of red sand guiding a fossil tour for Qatar Natural History Group (QNHG) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Fossilized dugong bones (ribs) in area of coastal sabkha in south-western Qatar, February 7, 2014
 Small mound with fossilized dugong bones in area of coastal sabkha in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) exploring glittering gypsum pavement (selenite) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) exploring area of gypsum crystal pavement (selenite) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) exploring fossilised intertidal stromatolites (microbial mats, laminated sediments) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Group of birdwatchers from QNHG (Qatar Natural History Group) looking for a white owl near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
 QNHG (Qatar Natural History Group) exploring fossils of the Middle Eocene Dammam Formation in a site on flanks of Rawdat Al Heshaimiya(?) depression south from Trainah. Southern Qatar, November 6, 2015
 QNHG (Qatar Natural History Group) exploring a bone on a beach of a small peninsula. Ruwais, Northern Qatar, April 3, 2015
 QNHG (Qatar Natural History Group) exploring compact claystone (Midra Shale) of the Middle Eocene Dammam Formation at fossil site on flanks of Rawdat Al Heshaimiya(?) depression south from Trainah. Southern Qatar, November 6, 2015
 QNHG (Qatar Natural History Group) exploring fossils in limestone layer (Dukhan Limestone Member) of Dammam Formation in Jaow Al Hamar depression south from Trainah. Southern Qatar, November 6, 2015
 Group of bird watchers from QNHG (Qatar Natural History Group) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Group of bird watchers from QNHG (Qatar Natural History Group) near a pond outside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 People from QNHG (Qatar Natural History Group) taking pictures of a lizard on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Group of birdwatchers from QNHG (Qatar Natural History Group) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Group of birdwatchers from QNHG (Qatar Natural History Group) on a service road near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Tiny fossilized echinoderm or sea urchin in limestone in coastal area in south-western Qatar, February 7, 2014
 Tiny fossilized echinoderms or sea urchins (Fibularia damensis) in coastal area in south-western Qatar, February 7, 2014
 Close up of tiny fossilized echinoderms or sea urchins Fibularia damensis in coastal area in south-western Qatar, February 7, 2014
 Masses of tiny fossilized echinoderms or sea urchins in Fibularia damensis outcrop in coastal area in south-western Qatar, February 7, 2014
 Birdwatching with QNHG (Qatar Natural History Group) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Watching birds with QNHG (Qatar Natural History Group) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Jack Russell Terrier dog of Qatar Natural History Group (QNHG) in sands of Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
 Qatar Natural History Group (QNHG) wading near Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 QNHG (Qatar Natural History Group) looking for fossils in Midra Shale of the Middle Eocene Dammam Formation in a site on flanks of Rawdat Al Heshaimiya(?) depression south from Trainah. Southern Qatar, November 6, 2015
 Qatar Natural History Group in Ras Abrouq peninsula in west central coastal area, north from Zekreet. Qatar, April 8, 2011
 QNHG (Qatar Natural History Group) watching birds on a small peninsula. Ruwais, Northern Qatar, April 3, 2015
 QNHG (Qatar Natural History Group) gathering in a tea hall in Trainah agricultural settlement. Southern Qatar, November 6, 2015
 Qatar Natural History Group in desert. Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Qatar Natural History Group (QNHG) at Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Qatar Natural History Group (QNHG) touring excavations at al-Ruwaydah, a late Islamic site near Ruwais in northern Qatar, May 3, 2013
 QNHG (Qatar Natural History Group) heading to watch birds on a small peninsula. Ruwais, Northern Qatar, April 3, 2015
 Qatar Natural History Group walking in desert. Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Qatar Natural History Group (QNHG) on dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Qatar Natural History Group discovered some small critter in desert. Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Qatar Natural History Group (QNHG) near a fishing shack in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Ethiopian hedgehogs rolled into prickly balls in Rawdat Al Faras Research Station (RAFRS, or Qatar University Farm) near Al Zubara Road during a tour with Qatar Natural History Group (QNHG). Qatar, May 29, 2015
 Ethiopian hedgehog (Paraechinus aethiopicus) rolled into a ball in Rawdat Al Faras Research Station (RAFRS, or Qatar University Farm) near Al Zubara Road during a tour with Qatar Natural History Group (QNHG). Qatar, May 29, 2015
 Ethiopian hedgehog (Paraechinus aethiopicus) on a gardening glove at a short presentation of Qatar University for Qatar Natural History Group (QNHG) at the entrance of Rawdat Al Faras Research Station (RAFRS) near Al Zubara Road. Qatar, May 29, 2015
 Wind carved wood on desert floor near Umm Bab in south-western Qatar, March 3, 2014
 Qatar Natural History Group outing on limestone hills of Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Dr. Petersen guiding a tour of a fort at Qal at Ruwayda archeological Site on northwest coast for Qatar Natural History Group. Qatar, February 6, 2010
 Dr. Petersen in an excavated mound guiding a tour of Qal at Ruwayda archeological Site on northwest coast for Qatar Natural History Group. Qatar, February 6, 2010
 Green seedling of desert plant Zygophyllum qatarense in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Desert rock carved by drifting sand (aeolian abrasion) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Compact seedling of desert plant Zygophyllum qatarense among sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, February 21, 2014
 Flowers of Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, February 21, 2014
 Close up of a flower of Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, February 21, 2014
 Cluster of flowers of Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, February 21, 2014
 Qatar Natural History Group measuring depth of a pond between Al Wakra and Mesaieed, north from Doha. Qatar, January 29, 2010
 Qatar Natural History Group wading at low tide in Arabian (Persian) Gulf near Mesaieed, north from Doha. Qatar, January 29, 2010
 Fossilized stromatolites (microbial mats) in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Desert Thumb (Cynomorium coccineum, local name tartouth) taken from a beach near Umm Bab in south-western Qatar, February 21, 2014
 Desert campion (Silene villosa, local name terba) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Desert species of morning glory (Convolvulus cephalopodus) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Domes of fossilized stromatolites (microbial mats) in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Conical fossilized stromatolites (marine microbs) in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Texture of fossilized stromatolites (microbial mats) in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Desert plant Seetzenia lanata (Zygophyllum lanatum, local name Habyan) near Umm Bab in south-western Qatar, February 21, 2014
 Blooming desert species of morning glory (Convolvulus cephalopodus) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Domed structure of fossilized stromatolites (microbial mats) in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Central hub of a desert plant Seetzenia lanata (Zygophyllum lanatum, local name Habyan) near Umm Bab in south-western Qatar, February 21, 2014
 Desert plant Seetzenia lanata (Zygophyllum lanatum, local name Habyan) with flowers near Umm Bab in south-western Qatar, February 21, 2014
 Creeping desert plant Seetzenia lanata (Zygophyllum lanatum, local name Habyan) near Umm Bab in south-western Qatar, February 21, 2014
 Desert species of Morning glory (Convolvulus cephalopodus?) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Flower of a desert species of Morning glory (Convolvulus cephalopodus?) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Desert heliotrope (turnsole, Heliotropium bacciferum, local name Ramram) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Desert plant Arnebia hispidissima (Lithospermum hispidissimum, local names kahal, hasheshat al arnab) near Umm Bab in south-western Qatar, February 21, 2014
 Group of date palms (Phoenix dactylifera, local name nakheel) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, September 26, 2014
 Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, March 3, 2014
 Desert plant purslane-leaved aizoon (Aizoon canariense) near Umm Bab in south-western Qatar, February 21, 2014
 Fossilized sea urchin on desert plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Seedling of desert plant Tetraena qatarense (Zygophyllum qatarense) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Flowers of Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, March 3, 2014
 Skull and bones of camels in desert. Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
 Columnar fossilized intertidal stromatolites (microbs) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, March 3, 2014
 Parasitic plant Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, March 3, 2014
 Desert plant purslane-leaved aizoon (Aizoon canariense) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Desert plant of Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) near Umm Bab in south-western Qatar, February 21, 2014
 Group of circular stone huts in a ravine encircled by a horseshoe of steep limestone cliffs (remnants the Qatar TV production) in Ras Abrouq peninsula in west central coastal area, north from Zekreet. Qatar, February 13, 2010
 Area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Desert plant Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) near Umm Bab in south-western Qatar, February 21, 2014
 Salsola cyclophylla(?) in desert near Umm Bab in south-western Qatar, March 3, 2014
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) with a host plant Zygophyllum qatarense at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Rocky desert with acacia tree near Umm Bab in south-western Qatar, March 3, 2014
 Dry curved stems of Zygophyllum in desert near Umm Bab in south-western Qatar, March 3, 2014
 Stones and pebbles in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Chalky limestone in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Desert plant Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Desert plant Seetzenia lanata (Zygophyllum lanatum, Seetzenia africana, Seetzenia orientalis, local name Habyan) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Dried stem of Zygophyllum in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Layers of Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Marine Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
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