Sleeping grey crowned crane, psittacus erithacus fluff up its feathers, gracefully standing with one leg at bird sanctuary, wildlife park

crane bird plumage uganda beak crested head wildlife langkawi regulorum leg ornithology species habitat birdwatching perch eastern kavirondo stand african africa feet feather crowned grey balearica natural neck nature crown south east threaten endanger fluff daytime southern sleep wild national warm rest body park relax nap sanctuary heat golden