Bird study (Online)

ahead-of-print to 70

27 to 42

1 to 70

71

57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (sup1, 1 to 4); 66 (2 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1-2, 3-4); 70 (1-2)

Preserved : 5 (2, 3); 6 (1 to 4); 7 (1-2, 3); 44 (1 to 3); 45 (1 to 3); 46 (sup1, 1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (sup1, 1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1-2, 3-4)

Preserved : 5 (2, 3); 6 (1 to 4); 44 (1 to 3); 45 (1 to 3); 46 (sup1, 1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (sup1, 1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1-2, 3-4)

Preserved : 5 (2, 3); 6 (1 to 4); 7 (1-2, 3); 44 (1 to 3); 45 (1 to 3); 46 (sup1, 1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (sup1, 1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1-2, 3-4)

Preserved : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (1-3); 34 (1-3); 35 (1-3); 36 (1-3); 37 (1-3); 38 (1-3); 39 (1-3); 40 (1-3); 41 (1-3); 42 (1-3); 43 (1-3); 44 (1-3); 45 (1-3); 46 (1-3); 47 (1-3); 48 (1-3); 49 (1-3); 50 (1-3); 51 (1-3); 52 (1-3); 53 (1-3); 54 (1-3); 55 (1-3)

Preserved : 1954: 1(1-4), 1955: 2(1-4), 1956: 3(1-4), 1957: 4(1-4), 1958: 5(1-4), 1959: 6(1-4), 1960: 7(1-4), 1961: 8(1-4), 1962: 9(1-4), 1963: 10(1-4), 1964: 11(1-4), 1965: 12(1-4), 1966: 13(1-4), 1967: 14(1-4), 1968: 15(1-4), 1969: 16(1-4), 1970: 17(1-4), 1971: 18(1-4), 1972: 19(1-4), 1973: 20(1-4), 1974: 21(1-4), 1975: 22(1-4), 1976: 23(1-4), 1977: 24(1-4), 1978: 25(1-4), 1979: 26(1-4), 1980: 27(1-4), 1981: 28(1-3), 1982: 29(1-3), 1983: 30(1-3), 1984: 31(1-3), 1985: 32(1-3), 1986: 33(1-3), 1987: 34(1-3), 1988: 35(1-3), 1989: 36(1-3), 1990: 37(1-3), 1991: 38(1-3), 1992: 39(1-3), 1993: 40(1-3), 1994: 41(1-3), 1995: 42(1-3), 1996: 43(1-3), 1997: 44(1-3), 1998: 45(1-3), 1999: 46(1, S 1, sup1-3), 2000: 47(1-3), 2001: 48(1-3), 2002: 49(1-3), 2003: 50(1-3), 2004: 51(1-3), 2005: 52(1-3), 2006: 53(1-3), 2007: 54(1-3), 2008: 55(1-3), 2009: 56(1-3), 2010: 57(1-4), 2011: 58(1-4), 2012: 59(1-4), 2013: 60(1-4), 2014: 61(1-4), 2015: 62(1-4), 2016: 63(1-4), 2017: 64(1-4), 2018: 65(1-4), 2019: 66(1-4), 2020: 67(1-4), 2021: 68(1-4), 2022: 69(1-4), 2023: 70(1-4), 2024: 71(1)

Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (sup1, 1 to 4); 20 (sup1, 1 to 4); 21 (sup1, 1 to 4); 22 (sup1, 1 to 4); 23 (sup1, 1 to 4); 24 (sup1, 1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1, 3, 4); 28 (1 to 3); 29 (1 to 3); 31; 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 40 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (sup1, 1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 50 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 4); 58 (1 to 4); 59 (1, 2, 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (2 to 4); 64 (1 to 4); 65 (sup1, 1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1-2, 3-4); 70 (1-2, 3, 4)