Table 2 Food sources and preferred habitat of the target species [30, 36, 53,54,55]
From: Responses to extreme drought in wintering waterbirds: a multi-species approach
Species | Feeding habits | Suitable habitat |
|---|---|---|
A. albifrons | Newly emerged, low-height (120–220 mm) Poaceae and Cyperaceae (e.g., Carex cinerascens and Phalaris arundinacea) on sparse sandbars Also includes Alopecurus aequalis, Cynodon dactylon, and Eleocharis migoana | Sparse grasslands and mudflats, also in agricultural fields |
A. fabalis | ||
A. cygnoid | Overwinter buds or tubers of submerged vegetation such as Vallisneria spiralis or Potamogeton malaianus. Grass-like plants (Carex) for Swan Goose, and tuberous roots of Potentilla limprichtii for Siberian Cranes | Shallow waters with < 40 cm depth or moist mudflats. Occasionally in marshes or croplands |
L. leucogeranus | Shallow waters with < 50 cm depth or moist mudflats. Occurs in agricultural fields or lotus ponds |