necessities also include a willing neck an easy spine a clear sight a sensitive ear a good memory and light but untiring feet the average city dweller is fed up by the lack of recreation no wonder this time we got about 350 firsttimers i think it is the largest number any city in the world has ever registered says naturalist sanjoy monga one of the organisers of the event during his twohour trek in uran he spotted among others a massive congregation of waders a caspian turn both migratory birds and an osprey which is a fish eating raptor dwindling in numberdr choksi also reported seeing a number of migratory birds in mirabhayander salt pans there were plowers from the northern hemisphere and stone chats iit powai had gargeney duck again a migratory bird but their numbers are dwindling about five years ago beyond mankhurd along thane creek one could see about 4000050000 migratory waders like sandpipers clovers and godwits now as the sez project has come up and roads have been widened the number is fewer he said adding that opportunistic species like crows black kites and other scavengers have gone up in numbers