Table 1. Species included in the study.
| Birds | ||||||||
| Anseriformes | n | % | Charadriifromes | n | % | Strigiformes | n | % |
| Anas platyrhynchos | 526 | 92.4 | Larus michahellis | 518 | 47.4 | Athene noctua | 1655 | 31.8 |
| Aythya nyroca § | 9 | 1.6 | Scolopax rusticola | 162 | 14.8 | Otus scops | 1476 | 28.3 |
| Tadorna tadorna | 8 | 1.4 | Larus ridibundus | 131 | 12.0 | Strix aluco | 1064 | 20.4 |
| Anas querquedula | 4 | 0.7 | Burhinus oedicnemus | 47 | 4.3 | Tyto alba | 678 | 13.0 |
| Anser anser | 4 | 0.7 | Larus audouinii § | 35 | 3.2 | Bubo bubo | 209 | 4.0 |
| Anas crecca | 3 | 0.5 | Fratercula arctica | 29 | 2.7 | Asio otus | 111 | 2.1 |
| Anas penelope | 3 | 0.5 | Vanellus vanellus | 26 | 2.4 | Asio flammeus | 15 | 0.3 |
| Netta rufina | 3 | 0.5 | Alca torda | 23 | 2.1 | Aegolius funereus§ | 1 | 0.0 |
| Somateria mollissima | 3 | 0.5 | Himantopus himantopus | 23 | 2.1 | Total | 5209,0 | 100.0 |
| Anas acuta | 1 | 0.2 | Charadrius alexandrinus | 17 | 1.6 | Accipitriformes | n | % |
| Anas strepera | 1 | 0.2 | Larus melanocephalus | 12 | 1.1 | Falco tinnunculus | 1994 | 40.6 |
| Aythya ferina | 1 | 0.2 | Sterna sandvicensis | 10 | 0.9 | Buteo buteo | 1150 | 23.4 |
| Aythya fuligula | 1 | 0.2 | Sterna hirundo | 9 | 0.8 | Accipiter nisus | 637 | 13.0 |
| Cygnus olor | 1 | 0.2 | Charadrius dubius | 8 | 0.7 | Accipiter gentilis | 344 | 7.0 |
| Tadorna ferruginea | 1 | 0.2 | Gallinago gallinago | 4 | 0.4 | Falco peregrinus | 161 | 3.3 |
| Total | 569 | 100 | Calidris minuta | 3 | 0.3 | Gyps fulvus | 96 | 2.0 |
| Podicipediformes | n | % | Numenius phaeopus | 3 | 0.3 | Pernis apivorus | 88 | 1.8 |
| Tachybaptus ruficollis | 19 | 54.3 | Pluvialis apricaria | 3 | 0.3 | Falco naumanni | 76 | 1.5 |
| Podiceps nigricollis | 10 | 28.6 | Tringa totanus | 3 | 0.3 | Circaetus gallicus | 67 | 1.4 |
| Podiceps cristatus | 6 | 17.1 | Calidris alpina | 2 | 0.2 | Falco subbuteo | 61 | 1.2 |
| Total | 35 | 100.0 | Haematopus ostralegus | 2 | 0.2 | Circus aeruginosus | 44 | 0.9 |
| Phoenicopteriformes | n | % | Larus minutus | 2 | 0.2 | Hieraaetus pennatus | 42 | 0.9 |
| Phoenicopterus roseus | 38 | 100.0 | Rissa tridactyla | 2 | 0.2 | Circus pygargus§ | 40 | 0.8 |
| Gruiformes | n | % | Tringa ochropus | 2 | 0.2 | Milvus migrans | 39 | 0.8 |
| Gallinula chloropus | 96 | 58.2 | Actitis hypoleucos | 1 | 0.1 | Hieraaetus fasciatus§ | 19 | 0.4 |
| Rallus aquaticus | 27 | 16.4 | Calidris alba | 1 | 0.1 | Circus cyaneus | 15 | 0.3 |
| Porphyrio porphyrio | 13 | 7.9 | Calidris canutus | 1 | 0.1 | Falco columbarius | 10 | 0.2 |
| Fulica atra | 9 | 5.5 | Calidris ferruginea | 1 | 0.1 | Milvus milvus§ | 10 | 0.2 |
| Crex crex | 8 | 4.8 | Charadrius hiaticula | 1 | 0.1 | Pandion haliaetus | 4 | 0.1 |
| Porzana porzana | 8 | 4.8 | Charadrius morinellus | 1 | 0.1 | Aquila chrysaetos | 3 | 0.1 |
| Grus grus | 2 | 1.2 | Chlidonias hybrida | 1 | 0.1 | Aegypius monachus | 2 | 0.0 |
| Porzana parva | 2 | 1.2 | Chlidonias niger§ | 1 | 0.1 | Buteo rufinus | 2 | 0.0 |
| Total | 165 | 100.0 | Larus fuscus | 1 | 0.1 | Falco vespertinus | 2 | 0.0 |
| Pelecaniformes | n | % | Limosa lapponica | 1 | 0.1 | Gypaetus barbatus§ | 2 | 0.0 |
| Ardea cinerea | 195 | 41.1 | Limosa limosa | 1 | 0.1 | Neophron percnopterus§ | 2 | 0.0 |
| Bubulcus ibis | 109 | 23.0 | Philomachus pugnax | 1 | 0.1 | Total | 4910 | 100.0 |
| Egretta garzetta | 70 | 14.8 | Stercorarius parasiticus | 1 | 0.1 | Procellariformes | n | % |
| Ixobrychus minutus | 55 | 11.6 | Sterna albifrons | 1 | 0.1 | Hydrobates pelagicus | 4 | 44.4 |
| Ardea purpurea | 17 | 3.6 | Tringa glareola | 1 | 0.1 | Calonectis diomedea§ | 3 | 33.3 |
| Nycticorax nycticorax | 12 | 2.5 | Tringa nebularia | 1 | 0.1 | Puffinus yelkouan | 2 | 22.2 |
| Botaurus stellaris§ | 11 | 2.3 | Uria aalge | 1 | 0.1 | Total | 9 | 100.0 |
| Platalea leucorodia | 2 | 0.4 | Total | 1093 | 100.0 | |||
| Ardeola ralloides § | 1 | 0.2 | Ciconiformes | n | % | Suliformes | n | % |
| Egretta alba | 1 | 0.2 | Ciconia ciconia | 121 | 100.0 | Phalacrocorax aristotelis§ | 37 | 37.0 |
| Plegadis falcinellus | 1 | 0.2 | Morus bassanus | 34 | 34.0 | |||
| Total | 474 | 100.0 | Piciformes | n | % | Phalacrocorax carbo | 29 | 29.0 |
| Apodiformes | n | % | Picus viridis | 194 | 85.1 | Total | 100 | 100.0 |
| Apus apus | 7030 | 85.0 | Dendrocopos major | 22 | 9.6 | Columbiformes | n | % |
| Apus melba | 1214 | 14,7 | Jynx torquilla | 7 | 3.1 | Streptopelia decaocto | 349 | 58.7 |
| Apus pallidus | 28 | 0.3 | Dryocopus martius | 3 | 1.3 | Columba palumbus | 222 | 37.3 |
| Total | 8272 | 100.0 | Dendrocopos minor | 2 | 0.9 | Streptopelia turtur | 24 | 4.0 |
| Galliformes | n | % | Total | 228 | 100.0 | Total | 595 | 100.0 |
| Coturnix coturnix | 50 | 58.1 | Coracciiformes | n | % | Cuculiformes | n | % |
| Alectoris rufa | 35 | 40.7 | Merops apiaster | 117 | 57.9 | Cuculus canorus | 31 | 50.8 |
| Tetrao urogallus § | 1 | 1.2 | Alcedo atthis | 77 | 38.1 | Clamator glandarius | 30 | 49.2 |
| Total | 86 | 100.0 | Coracias garrulus | 8 | 4.0 | Total | 61 | 100.0 |
| Caprimulgiformes | n | % | Total | 202 | 100.0 | |||
| Caprimulgus europaeus | 298 | 68.0 | Bucerotiformes | n | % | Otidiformes | n | % |
| Caprimulgus ruficollis | 140 | 32.0 | Upupa epops | 139 | 100.0 | Tetrax tetrax § | 1 | 100.0 |
| Total | 438 | 100.0 | ||||||
| Birds | ||||||||
| Passeriformes | n | % | Passeriformes | n | % | Passeriformes | n | % |
| Carduelis carduelis | 10623 | 41.0 | Luscinia megarhynchos | 26 | 0.1 | Sylvia borin | 5 | 0.0 |
| Carduelis chloris | 3436 | 13.3 | Coccothraustes coccothraustes | 25 | 0.1 | Turdus iliacus | 5 | 0.0 |
| Carduelis cannabina | 2755 | 10.6 | Prunella modularis | 22 | 0.1 | Alauda arvensis | 4 | 0.0 |
| Fringilla coelebs | 1431 | 5.5 | Loxia curvirostra | 21 | 0.1 | Anthus triviallis | 4 | 0.0 |
| Passer domesticus | 1270 | 4.9 | Corvus corax | 17 | 0.1 | Lanius collurio | 4 | 0.0 |
| Delichon urbicum | 1001 | 3.9 | Phylloscopus trochilus | 15 | 0.1 | Lanius senator | 4 | 0.0 |
| Serinus serinus | 835 | 3.2 | Corvus corone | 14 | 0.1 | Muscicapa striata | 4 | 0.0 |
| Turdus merula | 778 | 3.0 | Parus cristatus | 14 | 0.1 | Phoenicurus phoenicurus § | 4 | 0.0 |
| Pica pica | 634 | 2.4 | Turdus viscivorus | 12 | 0.0 | Sitta europaea | 4 | 0.0 |
| Carduelis spinus | 616 | 2.4 | Aegithalos caudatus | 11 | 0.0 | Sturnus unicolor | 4 | 0.0 |
| Sturnus vulgaris | 345 | 1.3 | Emberiza cia | 11 | 0.0 | Troglodytes troglodytes | 4 | 0.0 |
| Hirundo rustica | 264 | 1.0 | Parus ater | 11 | 0.0 | Acrocephalus arundinaceus | 3 | 0.0 |
| Garrulus glandarius | 198 | 0.8 | Melanocorypha calandra | 10 | 0.0 | Certhia brachydactyla | 3 | 0.0 |
| Parus major | 152 | 0.6 | Regulus ignicapilla | 10 | 0.0 | Hippolais opaca | 3 | 0.0 |
| Corvus monedula | 140 | 0.5 | Sylvia cantillans | 10 | 0.0 | Sylvia undata | 3 | 0.0 |
| Motacilla alba | 128 | 0.5 | Lullula arborea | 9 | 0.0 | Bucanetes githagineus | 2 | 0.0 |
| Erithacus rubecula | 118 | 0.5 | Saxicola torquatus | 9 | 0.0 | Calandrella brachydactyla | 2 | 0.0 |
| Turdus philomelos | 115 | 0.4 | Hippolais polyglotta | 8 | 0.0 | Locustella luscinioides | 2 | 0.0 |
| Sylvia atricapilla | 114 | 0.4 | Pyrrhocorax pyrrhocorax | 8 | 0.0 | Motacilla cinerea | 2 | 0.0 |
| Passer montanus | 73 | 0.3 | Sylvia communis | 8 | 0.0 | Saxicola rubetra | 2 | 0.0 |
| Oriolus oriolus | 66 | 0.3 | Emberiza schoeniclus | 7 | 0.0 | Serinus citrinella | 2 | 0.0 |
| Parus caeruleus | 65 | 0.3 | Galerida cristata | 7 | 0.0 | Anthus richardi | 1 | 0.0 |
| Emberiza cirlus | 61 | 0.2 | Petronia petronia | 7 | 0.0 | Certhia familiaris | 1 | 0.0 |
| Sylvia melanocephala | 53 | 0.2 | Regulus regulus | 7 | 0.0 | Emberiza citrinella | 1 | 0.0 |
| Fringilla montifringilla | 40 | 0.2 | Anthus pratensis | 6 | 0.0 | Monticola saxatilis | 1 | 0.0 |
| Phylloscopus collybita | 38 | 0.1 | Cettia cetti | 6 | 0.0 | Monticola solitarius | 1 | 0.0 |
| Pyrrhula pyrrhula | 38 | 0.1 | Emberiza calandra | 6 | 0.0 | Montifringilla nivalis | 1 | 0.0 |
| Acrocephalus scirpaceus | 33 | 0.1 | Cisticola juncidis | 5 | 0.0 | Ficedula albicollis | 1 | 0.0 |
| Ficedula hypoleuca | 30 | 0.1 | Hirundo daurica | 5 | 0.0 | Prunella collaris | 1 | 0.0 |
| Phoenicurus ochruros | 27 | 0.1 | Ptyonoprogne rupestris | 5 | 0.0 | Turdus torquatus | 1 | 0.0 |
| Total | 25888 | 100.0 | ||||||
| Mammals | ||||||||
| Insectivora | n | % | Rodentia | n | % | Lagomorpha | n | % |
| Erinaceus europaeus | 1309 | 93.5 | Sciurus vulgaris | 353 | 89.6 | Oryctolagus cuniculus | 92 | 94.8 |
| Aetechinus (= Atelerix) algirus | 81 | 5.8 | Apodemus sylvaticus | 17 | 4.3 | Lepus granatensis | 5 | 5.2 |
| Crocidura russula | 8 | 0.6 | Eliomys quercinus | 11 | 2.8 | Total | 97 | 100.0 |
| Sorex araneus | 1 | 0.1 | Rattus norvergicus | 5 | 1.3 | |||
| Suncus etruscus | 1 | 0.1 | Rattus rattus | 4 | 1.0 | Chiroptera | n | % |
| Total | 1400 | 100.0 | Glis glis | 3 | 0.8 | Pipistrellus pipistrellus | 506 | 57.8 |
| Marmota marmota | 1 | 0.3 | Pipistrellus pipist. pygmaeus | 235 | 26.9 | |||
| Carnivora | n | % | Total | 394 | 100.0 | Pipistrellus kuhlii | 88 | 10.1 |
| Vulpes vulpes | 154 | 43.0 | Artiodactyla | n | % | Tadarida teniotis | 12 | 1.4 |
| Meles meles | 74 | 20.7 | Sus scrofa | 103 | 60.9 | Eptesicus serotinus | 10 | 1.1 |
| Martes foina | 66 | 18.4 | Capreolus capreolus | 48 | 28.4 | Microquiropterus sp. | 9 | 1.0 |
| Genetta genetta | 34 | 9.5 | Cervus elaphus | 9 | 5.3 | Plecotus auritus | 7 | 0.8 |
| Mustela nivalis | 21 | 5.9 | Rupricapra rupricapra | 7 | 4.1 | Miniopterus schreibersi§ | 3 | 0.3 |
| Felis silvestris | 8 | 2.2 | Dama dama | 1 | 0.6 | Nyctalus leisleri | 3 | 0.3 |
| Mustela lutreola§ | 1 | 0.3 | Ovis ammon | 1 | 0.6 | pipistrellus nathusii | 2 | 0.2 |
| Total | 358 | 100.0 | Total | 169 | 100.0 | Total | 875 | 100.0 |
| Amphibians | ||||||||
| n | % | n | % | Caudata | n | % | ||
| Bufo calamita | 56 | 71.8 | Hyla arborea | 1 | 1.3 | Salamandra salamandra | 38 | 60.3 |
| Hyla meridionalis | 9 | 11.5 | Bufo viridis | 1 | 1.3 | Lissotriton helveticus | 10 | 15.9 |
| Bufo bufo | 7 | 9.0 | Rana iberica | 1 | 1.3 | Triturus marmoratus | 8 | 12.7 |
| Alytes obstetricans | 1 | 1.3 | Rana temporaria | 1 | 1.3 | Pleurodeles waltl | 7 | 11.1 |
| Discoglossus pictus | 1 | 1.3 | Total | 78 | 100.0 | Total | 63 | 100.0 |
| Reptiles | ||||||||
| Squamata | n | % | Squamata | n | % | Squamata | n | % |
| Malpolon monspessulanus | 133 | 33.4 | Natrix natrix | 7 | 1.8 | Total | 398 | 100.0 |
| Rhinechis scalaris | 114 | 28.6 | Vipera aspis | 5 | 1.3 | |||
| Timon lepidus | 57 | 14.3 | Vipera latasti | 5 | 1.3 | Testudines | n | % |
| Chamaeleo chamaeleon | 23 | 5.8 | Zamenis longissimus | 4 | 1.0 | Testudo hermanni§ | 1111 | 48.2 |
| Natrix maura | 21 | 5.3 | Coronella girondica | 2 | 0.5 | Mauremys leprosa | 747 | 32.4 |
| Anguis fragilis | 8 | 2.0 | Hierophis viridiflavus | 2 | 0.5 | Testudo graeca§ | 414 | 17.9 |
| Tarentola mauritanica | 8 | 2.0 | Hemidactylus turcicus | 1 | 0.3 | Emys orbicularis | 35 | 1.5 |
| Hemorrhois hippocrepis | 7 | 1.8 | Lacerta viridis | 1 | 0.3 | Total | 2307 | 100.0 |
§ Menaced species according to the Spanish laws.