These eggs are collected in year 1977 from Russia, Kandalaksha nature reserve.
I tried to identify those species and got so far:
01 - Phalacrocorax sp.
02 - Some of the gulls: Larus canus / Leucophaeus atricilla / Rissa tridactyla
03 - Some of the gulls: Leucophaeus atricilla / Rissa tridactyla
04 - Larus sp.
05 - ?
06 - Cepphus grylle
07 - Cepphus grylle
08 - Somateria mollissima
09 - Uria lomvia
10 - Uria lomvia
11 - Uria lomvia