Attributes / relations provided by
♦ 1Seasonal diet of the Grey Heron Ardea cinerea on an oceanic island (Tenerife, Canary Islands): indirect interaction with wild seed plants, Airam RODRÍGUEZ, Beneharo RODRÍGUEZ, Beatriz RUMEU & Manuel NOGALES, ACTA ORNITHOLOGICA Vol. 42 (2007) No. 1
♦ 2del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 3SYMENS, P. (1988).
Effects of the mass migration of desert locusts Schistocerca gregaria on birds in the Taif area. Arabia.