eggs of black-tailed godwit

acid bird birding birds blacktailed bog clutch color course egg eggs fowl game godwit greyback guide habitation haircap high highland highmoor home lagg limicolae limosa longshanks marsh mesotrophic mire moor moss nest oligotrophic ornithology plover raised sandpiper shell shorebirds size snipe stint stone study swamp tour transitional upland variegated wader watching wildfowl zoology