Actitis hypoleucos bird birding brown coast coastal Common Sandpiper feed forage greyish brown hunt India karnataka Mangalore Palearctic wader parapatric sandpiper search shore Shorebird wader wing bald pink redeye spoonbill feather mouth pelican posing sand drink grass hosepipe thirsty water white birds fauna paon pavone peacock peacocks peafowl peafowls krayker plover Red Wattled Lapwing Vanellus indicus beak greedy Little Ringed Plover migrant Migratory Bird Shore Bird Wintering