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Pin-tailed Sandgrouse / Ganga
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If you have any photos that you would like to place on this page in exchange for a direct link to your site, or if you can suggest any P-t Sandgrouse links I could add, please email me with details.
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Scientific name:
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Pterocles alchata
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The Pin-tailed Sandgrouse in Catalonia:
Resident and endangered, with only 50-60 breeding pairs in Catalonia, a 50% loss in just 10 yrs.
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Sub-species:
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Birds of a feather...flock together
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Nominate plus 1 sub-species worldwide
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Sandgrouse are often termed water-carriers, in reference to the tribesmen and women who journey across the desert with a water-pot balanced on their head and indeed sand grouse do travel up to 80km for water if they have to, though 20-30km is more usual.
But its what they, the males at least, do when they get there that really justifies the comparison.
Newly-hatched chicks can’t possibly make the trip to the nearest watering hole and so, after rubbing his belly in the dry earth to remove waterproofing preen oil, the male wades into the water belly-deep, holding his wings and tail clear, and allows his feathers to become drenched. Then, upon returning to the nest, he adopts an erect ‘watering posture’ and the young drink by running their bills through the soaked feathers.
He is able to do this, and may do so until they are two months old, due to specially adapted plumage running down the centre of his belly that facilitates the sponge-like retention of relatively large amounts of water.
Even during breeding, flocks up to a thousand strong call out in flight, inviting others to join them on their habitual - usually morning - pilgrimage to drink. But flocking, although obviously confering an advantage upon an individual with regards to being targeted, does attract predators and falcons soon learn where to pick up an easy meal.
Irrigation, intensive agriculture, the over-grazing of dry grasslands and even hunting pose more of a threat however and recent times have seen a severe contraction of suitable habitat in Europe. So much so that their long-term future as a European breeder, like the pot on top of the water-carrier’s head, is surely in the balance.
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Confusion species:
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Black-bellied SG
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In flight, plovers and pratincoles
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Size:
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Length:
28-32 cm*
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Wingspan:
54-65 cm
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* plus 2-10 cm tail projection
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Population:
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6-11.5k breeding pairs in europe
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resident in europe
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SPEC:
Category 3
endangered
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Although their skeletal structure belies an ancient ancestral connection to pigeons, molecular analysis has revealed evidence that sandgrouse are actually more closely related to shorebirds (waders).
Another special adaptation in their plumage is a dense undercoat covering the entire body (most birds have distinct lines of feathers separated by bare skin), which insulates them against temperature extremes and enables them to float!
And still more specially adapted feathers grow at the base of the bill to protect the nostrils from wind-blown sand.
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Populated European Countries:
3
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Top 5:
Spain, Portugal, France
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% in Top 10 countries:
100.0
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Distribution:
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Common in Ebro Valley and Extremadura, Spain
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Relict population of 170 pairs at La Crau, France
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Migratory in some parts of the world
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leave gap
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