 Mud creepers (mangrove whelk, brackish-water snail, gastropod mollusk, Terebralia palustris) in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Shells of a marine gastropod mollusk (sea snail) Clypeomorus bifasciatus at low tide in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Mud crab in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Intertidal algal cyanobacterial mats in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Intertidal polygonally cracked algal cyanobacterial mats in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) in salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Mangroves (Avicennia marina) with aerial roots (pneumatophores) in salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Some sand mounds in shallow water of salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Eggs of sea birds Sterna (terns) in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Feral dogs in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Dead corals on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Seaweed (algae) on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 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) on dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Sedge (Cyperus conglomeratus) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Corals and sea snails at low tide on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 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
 European seaheath (Frankenia pulverulenta) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Flowers of Sea Lavender (Limonium axillare, local name Qetaif) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Algae Oyster Thief (Colpomenia sinuosa) at low tide on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Blooming Sea Lavender (Limonium axillare, local name Qetaif) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Buck s horn groundsel (Senecio glaucus, mureer) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Seedling of a salt tolerant plant Anabasis setifera in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Tiny desert flowers of European seaheath (Frankenia pulverulenta) growing in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Dried parasitic plant Cynomorium coccineum (desert, or red thumb, tarthuth) in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Desert Hyacinth (Cistanche tubulosa) with a host plant, a salt tolerant succulent, at Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Small yellow flowers of Buck s horn groundsel (Senecio glaucus, mureer) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Small flower of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Sea slug (shell-less gastropod mollusk, Peronia peronii, Onchidium peronii) at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Ventral view of sea slug (shell-less marine gastropod mollusk, Peronia peronii, Onchidium peronii) at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Large gastropod fossil (sea snail, marine mollusk) Ampullina sp. (Ampullospira) of Dammam Formation in a site on flanks of Rawdat Al Heshaimiya(?) depression south from Trainah. Southern Qatar, November 6, 2015
 Several mangrove trees in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Mangrove tree (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Group of mangrove trees (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Mangrove tree skeletons (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Murex snail (marine gastropod) Hexaplex kusterianus injecting sulphuric acid into a clam in Al Mafyar (Mafjar) area on northern coast (Al Shamal). Qatar, June 27, 2015
 Abandoned villa at northern tip of Qatar in Khasooma area, east from Ruwais. Qatar, April 12, 2013
 Mangrove tree (Avicennia marina) on northern tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove trees (Avicennia marina) near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove tree (Avicennia marina) at sunrise on northern tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mountain goat in area of northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mangrove forest (Avicennia marina) at low tide at northern tip of Qatar, east from Ruwais, March 24, 2012
 Dry mangrove trees near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Mud creepers at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Mud creepers at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mangroves trees (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Aerial roots (pneumatophores) of mangroves near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Flowers of mangroves (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangrove forest (Avicennia marina) near northern tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove tree (Avicennia marina) in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Ostrich on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Qatar Natural History Group (QNHG) wading near Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Gypsum rocks on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mangrove marsh on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Mud flat with aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Close up of aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Ruins of Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 Mountain goat standing on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Herd of mountain goats on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Capturing a desert lizard on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Catching a desert lizard on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Exploring mysterious bunker on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mangrove forest at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangrove marsh at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Sunrise over mangrove marsh on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Mud flat near mangrove forest near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Sunrise over mangrove forest, view to the east from a hill on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Mountain goat standing on rocks of northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mountain goat on northern tip of Haloul Island (Jazirat Halul), with oil terminal in background. Qatar, April 19, 2013
 Mountain goat showing its tongue on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mud crab burrows in mangrove forest near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangrove tree (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove forest (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Beachrock and mangrove trees on Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Stone walls remained from Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 Abandoned car in Persian Gulf near Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 Hawksbill sea turtle (Eretmochelys imbricata) approaching water on western beach of Haloul Island (Jazirat Halul) at night. Qatar, April 19, 2013
 Mountain goat standing on gypsum rocks of northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Dead mangrove trees (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mud flat exposed at low tide near mangrove forest near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mud flat near mangrove forest exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Blooming mangrove tree (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mountain goat standing on northern tip of Haloul Island (Jazirat Halul), with Persian Gulf in background. Qatar, April 19, 2013
 Dead tree in mangrove forest (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangrove tree (Avicennia marina) in salt marsh near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Muddy soil of mangrove forest exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangroves at sunrise on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 13, 2014
 Photographing Rock semaphore gecko lizard (Pristurus rupestris) on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Northern part of Haloul Island (Jazirat Halul), view from a hill north-west from oil tank installation. Qatar, April 19, 2013
 Flowers of mangrove tree (Avicennia marina) on dark background near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Flowers of mangrove tree (Avicennia marina) on white background near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangroves (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 7, 2014
 Salt marsh with mangroves on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 13, 2014
 Golden grass mabuya lizard (Trachylepis septemtaeniata) found in northern part of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mangroves in salt marsh from causeway to Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Mangroves in salt marsh from causeway to Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, September 26, 2014
|