
1980 key dashak mein pakshi vigyaan aur pakshi vigyaan

pakshi vigyaan aur pakshi vigyaan mein varsh 1980-1989.
duniya bhar mein.
pakshi vigyaani.
mauton.
1985
1987
vishva soochi.
europe.
britten.
prajanan pakshiyaan.
1981
durlabh pakshi.
1981
1982
1983
1984
1985
1988
1990
purtagaal.
durlabh pakshi.
1984