Table 1 Order Falconiformes Ciconiiformes Sample inventory, feeding and migratory behaviour of the 14 bird species under study. Species Scientific name N Feeding habits Black kite Milvus migrans 22 Red kite Milvus milvus 2 Western marsh harrier Circus aeruginosus 1 Booted eagle Aquila pennata 6 Common kestrel Falco tinnunculus Black-winged kite Elanus caeruleus Glossy ibis Plegadis falcinellus Predator and scavenger. It feeds on rabbits, birds (especially young), reptiles, amphibians, fish, insects and carrion (including meat from rubbish dumps, and road killed animals). Predator and scavenger. It feeds on small or medium-sized mammals, birds, reptiles, amphibians, large insects and carrion (including meat from rubbish dumps, and road killed animals). It feeds mainly on rabbits, rodents, medium-sized birds, their offsprings and eggs. It feeds mainly on medium-sized birds; rabbits, reptiles and occasionally large insects. Migratory behaviour of breeding population Migratory, wintering in sub-Saharan Africa Resident and dispersive Resident and dispersive Migratory, wintering in sub-Saharan Africa. Resident and dispersive, and possibly partially migratory Potentially resident, but It feeds on small-sized mammals, birds and some individuals make 1 lizards. large-scale nomadic movements It feeds mainly on aquatic beetles and Migratory and dispersive. 4 dragonfly larvae; also Harp-ribbed Part of the population Salamanders (Pleurodeles waltl) and small winters in Doñana 13 Their preys are usually small size mammals, small birds, reptiles and insects. Strigiformes Charadriiformes Anseriformes Carp (Cyprinus carpio). It feeds mainly on fish, amphibians, 3 Odonata nymphs and aquatic beetles. Occasionally birds. It feeds on red-swamp crayfish (Procambarus clarkii), large insects, 34 rodents, snakes, lizards, snakes, frogs, fish, bird eggs and nestlings, remains of human food. Purple heron Ardea purpurea White stork Ciconia ciconia Barn owl Tyto alba Slender-billed gull Chroicocephalus genei 3 Black-headed gull Chroicocephalus ridibundus 7 Gull-billed tern Gelochelidon nilotica 8 Gadwall Anas strepera 10 1 It feeds mainly on small mammals, Pelobates cultripes and small birds. Mainly fish and invertebrates (brineshrimps Artemia spp., Diptera larvae, beetle larvae and adults). Mainly insects and earthworms, but commonly supplemented by plant material and household or industrial waste. It feeds mainly on insects and crustaceans; also amphibians and fish. It mainly feeds on the vegetative part of plants (roots, leaves, tubers, bud and seeds of aquatic plants) and algae, with infrequent animal material, probably accidental. Migratory, wintering in sub-Saharan Africa Mainly migratory, but a part of the population is resident Resident, but young birds make dispersive movements Mainly migratory, but a small part of the population is resident Dispersive or partially migratory Migratory, wintering in sub-Saharan Africa Resident