Long term changes in numbers of variable oystercatcher (Haematopus unicolor) at two wintering sites in Canterbury, South Island, New Zealand.
Crossland, A.C., 2001, The Stilt. Expand
Crossland, A.C., 2001, The Stilt. Expand
Piersma, T; Barter, M., 1990, The stilt. Expand
Melville, D.S; Battley, P.F., 2006, The stilt. Expand