Wildlife Research Wildlife Research Society
Ecology, management and conservation in natural and modified habitats
RESEARCH ARTICLE

Food habits of feral cats (Felis silvestris catus L.) in insular semiarid environments (Fuerteventura, Canary Islands)

Félix M. Medina A C E , Marta López-Darias B C , Manuel Nogales C and Rafael García D
+ Author Affiliations
- Author Affiliations

A Unidad de Medio Ambiente, Cabildo Insular de La Palma, Avenida Los Indianos 20, 2°, 38700 Santa Cruz de La Palma, Canary Islands, Spain.

B Department of Applied Biology (EBD-CSIC), Pabellón del Perú, Avenida María Luisa s/n, 41013 Sevilla, Spain.

C Island Ecology and Evolution Research Group (IPNA-CSIC), Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Canary Islands, Spain.

D C/ San Miguel 9, 38700 Santa Cruz de La Palma, Canary Islands, Spain.

E Corresponding author. Email: felix.medina@cablapalma.es

Wildlife Research 35(2) 162-169 https://doi.org/10.1071/WR07108
Submitted: 1 August 2007  Accepted: 29 February 2008   Published: 21 April 2008

Abstract

In this study, we present the first data on diet and impacts of feral cats on a semiarid island (Fuerteventura, Canary Islands). A total of 614 prey was identified in the 209 scats analysed. Introduced mammals, especially rabbits and mice, were the most consumed vertebrate prey and constituted more than 90% of biomass. Barbary ground squirrels, Algerian hedgehogs, and rats were preyed upon less even though they were abundant on the island. Invertebrates, mainly Orthoptera, Coleoptera, Hymenoptera and Odonata, were the second most important prey items (in terms of actual numbers) but they contributed only minimally with respect to biomass (<1.1%). The presence of terrestrial molluscs in the diet was interesting because they are a rare prey in an insular context. Birds and reptiles occurred at a low frequency. A total of 677 seeds was counted, mainly belonging to Lycium intricatum (Solanaceae) and two unidentified plant species. Levin’s niche breadth was narrow due to the high consumption of mammals. Morisita’s index showed a similar trophic overlap in diet with respect to the other xeric habitats of the Canarian archipelago. Considering that more than 90% of biomass corresponded to introduced mammals, we conclude that feral cats are not having a large direct impact on the native prey species.


Acknowledgements

We thank the Unidad de Medio Ambiente del Cabildo Insular de Fuerteventura for its logistic support and permission to work on the protected areas. The Cabildo Insular de La Palma gave us logistic support during the analysis. Miguel Ibáñez helped us in the identification of mollusc species. Marta López-Darias was funded by a FPU grant financed by the Spanish Ministry of Education and Science, and partially by the Obra Social de La Caja de Canarias. This contribution has been carried out during the project GL2004-04884-C02-01/BOS financed by the Spanish Ministry of Science and the European Union.


References

Andersson, M. , and Erlinge, S. (1977). Influence of predation of rodent populations. Oikos 29, 591–597.
CrossRef |

Apps, P. J. (1983). Aspects of the ecology of feral cats on Dassen Island, South Africa. South African Journal of Zoology 18, 393–399.


Bayly, C. P. (1976). Observation on the food of the feral cat (Felis catus) in an arid environment. South Australian Naturalist 51, 22–24.


Bloomer, J. P. , and Bester, M. N. (1990). Diet of a declining feral cat Felis catus population on Marion Island. South African Journal of Wildlife Research 20, 1–4.


Bradshaw J. W. S. (1992). ‘The Behaviour of the Domestic Cat.’ (CABI Publishing: Wallingford, UK.)

Carracedo J. C. , Pérez F. J. , and Meco J. (2005). La gea: análisis de una isla en estado post-erosivo de desarrollo. In ‘Patrimonio Natural de la Isla de Fuerteventura’. (Ed. O. Rodríguez.) pp. 27–44. (Cabildo de Fuerteventura, Gobierno de Canarias, Centro de la Cultura Popular Canaria: Santa Cruz de Tenerife.)

Casañas-Acosta, N. , Yebra Mora, L. , and Medina, F. M. (1999). Distribución y variación temporal de la dieta del gato cimarrón (Felis catus Linnaeus, 1758) en Alegranza, Islas Canarias (Mammalia, Carnivora). Vieraea 27, 165–172.


Castroviejo J. , Mateo J. A. , and Collado E. (1985). Sobre la sistemática de Gallotia atlantica (Peters y Doria, 1882). Doñana Acta Vertebrata Occasional publication, 1–85.

Catling, P. C. (1988). Similarities and contrast in the diets of foxes, Vulpes vulpes, and cats, Felis catus, relative to fluctuating prey population and drought. Australian Wildlife Research 15, 307–317.
CrossRef |

Courchamp, F. , Langlais, M. , and Sugihara, G. (1999). Cats protecting birds: modelling the mesopredator release effect. Journal of Animal Ecology 68, 282–292.
CrossRef |

Courchamp, F. , Langlais, M. , and Sugihara, G. (2000). Rabbits killing birds: modelling the hyperpredation process. Journal of Animal Ecology 69, 154–164.
CrossRef |

Courchamp, F. , Chapuis, J. L. , and Pascal, M. (2003). Mammal invaders on islands: impact, control and control impact. Biological Reviews of the Cambridge Philosophical Society 78, 347–383.
CrossRef | PubMed |

Criado C. (2005). Formas de modelado y procesos morfogenéticos. In ‘Patrimonio Natural de la Isla de Fuerteventura’. (Ed. O. Rodríguez.) pp. 45–58. (Cabildo de Fuerteventura, Gobierno de Canarias, Centro de la Cultura Popular Canaria: Santa Cruz de Tenerife.)

del Arco, M. , Acebes, J. R. , Pérez de Paz, P. L. , and Marrero, M. C. (1999). Bioclimatology and climatophilus vegetation of Hierro (part 2) and La Palma (Canary Islands). Phytocoenologia 29, 253–290.


Delibes, M. (1980). El lince ibérico. Ecología y comportamiento alimenticio en el Coto de Doñana, Huelva. Doñana Acta Vertebrata 7, 1–128.


Dilks, P. J. (1979). Observations on the food of feral cats on Campbell Island. New Zealand Journal of Ecology 2, 64–66.


Dorta P. (2005). El Clima. In ‘Patrimonio Natural de la Isla de Fuerteventura’. (Ed. O. Rodríguez.) pp. 81–89. (Cabildo de Fuerteventura, Gobierno de Canarias, Centro de la Cultura Popular Canaria: Santa Cruz de Tenerife.)

Driscoll, C. A. , Menotti-Raymond, M. , Roca, A. L. , Hupe, K. , and Johnson, W. E. , et al. (2007). The near eastern origin of cat domestication. Science 317, 519–523.
CrossRef | PubMed |

Fitzgerald B. M. (1988). Diet of domestic cats and their impact on prey populations. In ‘The Domestic Cat: the Biology of its Behaviour’. (Eds D. G. Turner and P. Bateson.) pp. 123-144. (Cambridge University Press: Cambridge.)

Fitzgerald, B. M. , and Karl, B. J. (1979). Foods of feral house cats (Felis catus L.) in the forest of the Orongorongo Valley, Wellington. New Zealand Journal of Zoology 6, 107–126.


Fitzgerald B. M. , and Turner B. M. (2000). Hunting behaviour of domestic cats and their impact on prey populations. In ‘The Domestic Cat: the Biology of its Behaviour’. 2nd edn. (Eds D. G. Turner and P. Bateson.) pp. 151-175. (Cambridge University Press: Cambridge.)

Harper, G. A. (2005). Numerical and functional response of feral cats (Felis catus) to variations in abundance of primary prey on Stewart Island (Rakiura), New Zealand. Wildlife Research 32, 597–604.
CrossRef |

Hart, R. K. , Calver, M. C. , and Dickman, C. R. (2002). The index of relative importance: an alternative approach to reducing bias in descriptive studies of animal diets. Wildlife Research 29, 415–421.
CrossRef |

Hernández, E. , Nogales, M. , and Martín, A. (2000). Discovery of a new lizard in the Canary Islands, with a multivariate analysis of Gallotia (Reptilia: Lacertidae). Herpetologica 56, 63–76.


Illera, J. C. , and Díaz, M. (2006). Reproduction in an endemic bird of a semiarid island: a food-mediated process. Journal of Avian Biology 37, 447–456.
CrossRef |

IUCN (2007). 2007 IUCN Red List of Threatened Species. Available online at www.iucnredlist.org. Downloaded on 23 November 2007.

Izquierdo I. , Martín J. L. , Zurita N. , and Arechavaleta M. (Eds.) (2004). ‘Lista de Especies Silvestres de Canarias (Hongos, Plantas y Animales Terrestres) 2004.’ (Consejería de Medio Ambiente y Ordenación Territorial, Gobierno de Canarias: Santa Cruz de Tenerife.)

Jones, E. (1977). Ecology of the feral cat, Felis catus (L.) (Carnivora: Felidae) on Macquarie Island. Australian Wildlife Research 4, 249–262.
CrossRef |

Karl, B. J. , and Best, H. A. (1982). Feral cats on Stewart Island; their foods, and their effects on kakapo. New Zealand Journal of Zoology 9, 287–294.


Kirkpatrick, R. D. , and Rauzon, M. J. (1986). Foods of feral cats Felis catus on Jarvis and Howland Islands, central Pacific Ocean. Biotropica 18, 72–75.
CrossRef |

Konecny, M. J. (1987). Food habits and energetics of feral house cats in the Galapagos Islands. Oikos 50, 24–32.
CrossRef |

Krebs C. J. (1989). ‘Ecological Methodology.’ (Harper Collins: New York.)

Langham, N. P. E. (1990). The diet of feral cats (Felis catus L.) on Hawke’s Bay farmland, New Zealand. New Zealand Journal of Zoology 17, 243–255.


Laurie, A. (1983). Marine iguanas in Galapagos. Oryx 17, 18–25.


Lever C. (1994). ‘Naturalized Animals.’ (T. & A.D. Poyser Natural History: London.)

Long J. L. (2003). ‘Introduced Mammals of the World: their History, Distribution and Influence’. (CSIRO Publishing: Melbourne.)

López-Darias, M. , and Lobo, J. M. (2008). Factors affecting invasive species abundance: the Barbary ground squirrel on Fuerteventura Island, Spain. Zoological Studies 47(3),


MacDonald, J. S. , and Green, R. H. (1983). Redundancy of variables used to describe importance of prey species in fish diet. Canadian Journal of Fisheries and Aquatic Sciences 40, 635–637.


Machado, A. (1979). The introduction of the Getulian squirrel (Atlantoxerus getulus L., 1758) in Fuerteventura, Canary Islands. Egyptian Journal of Wildlife Natural Research 2, 182–203.


Machado A. , and Domínguez F. (1982). Estudio sobre la presencia de Ardilla Moruna (Atlantoxerus getulus L.) en la isla de Fuerteventura; su introducción, su biología y su impacto en el medio. Ministerio de Agricultura, Pesca y Alimentación, Instituto Nacional para la Conservación de la Naturaleza, San Cristóbal de La Laguna.

Malo, A. F. , Lozano, J. , Huertas, D. L. , and Virgós, E. (2004). A change of diet from rodents to rabbits (Oryctolagus cuniculus). Is the wildcat (Felis silvestris) a specialist predator? Journal of Zoology 263, 401–407.
CrossRef |

Martín A. , and Lorenzo J. A. (2001). ‘Aves del Archipiélago Canario.’ (Francisco Lemus Editor: La Laguna.)

Martin, G. R. , Twiggs, L. E. , and Robinson, D. J. (1996). Comparison of the diet of feral cats from rural and pastoral Western Australia. Wildlife Research 23, 475–484.
CrossRef |

Medina, F. M. , and García, R. (2007). Predation of insects by feral cats (Felis silvestris catus L., 1758) on an oceanic island (La Palma, Canary Islands). Journal of Insect Conservation 11, 203–207.
CrossRef |

Medina, F. M. , and Nogales, M. (1993). Dieta del gato cimarrón (Felis catus L.) en el piso basal del Macizo de Teno (Noroeste de Tenerife). Doñana Acta Vertebrata 20, 291–297.


Medina, F. M. , Nogales, M. , and García, R. (2006). Feeding ecology of feral cats on a heterogeneous subtropical oceanic island (La Palma, Canarian Archipelago). Acta Theriologica 51, 75–83.


Mellink, E. , Ceballos, G. , and Luevano, J. (2002). Population demise and extinction threat of the Angel de la Guarda deer mouse (Peromuscus guardia). Biological Conservation 108, 107–111.
CrossRef |

Molsher, R. , Newsome, A. , and Dickman, C. (1999). Feeding ecology and population dynamics of the feral cat (Felis catus) in relation to the availability of prey in central-eastern New South Wales. Wildlife Research 26, 593–607.
CrossRef |

Moors, P. J. , and Atkinson, A. E. (1984). Predation on seabirds by introduced animals, and factors affecting its severity. International Council for Bird Preservation, Technical Publication 2, 667–690.


Newsome A. (1991). Feral cats: an overview. In ‘The Impact of Cats on Native Wildlife’. (Ed. C. Potter.) pp. 7–13. (ANPWS: Canberra).

Nogales M. , and González C. (2005). Los vertebrados. In ‘Patrimonio Natural de la Isla de Fuerteventura’. (Ed. O. Rodríguez.) pp. 399–410. (Cabildo de Fuerteventura, Gobierno de Canarias, Centro de la Cultura Popular Canaria: Santa Cruz de Tenerife.)

Nogales, M. , and Medina, F. M. (1996). A review of the diet of feral domestic cats (Felis silvestris f. catus) on the Canary Islands, with new data from the laurel forest of La Gomera. Zeitschrift für Saugetierkunde 61, 1–6.


Nogales, M. , Abdola, M. , Alonso, C. , and Quilis, V. (1990). Premiêres données sur l’alimentation du chat haret (Felis catus L., 1758) du Parc National du Teide, Ténérife (Iles Canaries). Mammalia 54, 189–196.


Nogales, M. , Rodríguez, J. L. , Delgado, G. , Quilis, V. , and Trujillo, O. (1992). The diet of feral cats (Felis catus) on Alegranza Island (North of Lanzarote, Canary Islands). Folia Zoologica 41, 209–212.


Nogales, M. , Medina, F. M. , and Valido, A. (1996). Indirect seed dispersal by the feral cats Felis catus in island ecosystems (Canary Islands). Ecography 19, 3–6.
CrossRef |

Nogales, M. , Rodríguez, J. L. , and Marrero, P. (2006). Ecological effects and distribution of invasive non-native mammals on the Canary Islands. Mammal Review 36, 49–65.
CrossRef |

Paltridge, R. , Gibson, D. , and Edwards, G. (1997). Diet of the feral cat (Felis catus) in central Australia. Wildlife Research 24, 67–76.
CrossRef |

Pearre, S. , and Maass, R. (1998). Trends in the prey size–based trophic niches of feral and house cats Felis catus L. Mammal Review 28, 125–139.
CrossRef |

Pinkas, L. (1971). Food habits study. Fishery Bulletin 152, 5–10.


Randi, E. , and Ragni, B. (1991). Genetic variability and biochemical systematics of domestic and wild cat populations (Felis silvestris: Felidae). Journal of Mammalogy 72, 79–88.
CrossRef |

Read, J. , and Bowen, Z. (2001). Population dynamics, diet and aspects of the biology of feral cats and foxes in arid South Australia. Wildlife Research 28, 195–203.
CrossRef |

Rodríguez O. (2005). Flora y vegetación terrestre. La transformación del paisaje vegetal. In ‘Patrimonio Natural de la Isla de Fuerteventura’. (Ed. O. Rodríguez..) pp. 141–196. (Cabildo de Fuerteventura, Gobierno de Canarias, Centro de la Cultura Popular Canaria: Santa Cruz de Tenerife.)

Serpell J. A. (2000). Domestication and history of the cat. In ‘The Domestic cat: the Biology of its Behaviour’. 2nd edn. (Eds D. G. Turner and P. Bateson.) pp. 179–192. (Cambridge University Press: Cambridge.)

Short, J. , Calver, M. C. , and Risbey, D. A. (1999). The impact of cats and foxes on the small vertebrate fauna of Heirisson Prong, Western Australia. I. Exploring potential impact using diet analysis. Wildlife Research 26, 621–630.
CrossRef |

Tershy B. R. , Donlan D. J. , Keitt B. S. , Croll D. A. , Sánchez J. A. , Wood B. , Hermosillo M. A. , Howald G. R. , and Biavaschi N. (2002). Island conservation in north-west Mexico: a conservation model integrating research, education and exotic mammal eradication. In ‘Turning the Tide: the Eradication of Invasive Species’. (Eds C. R. Veitch and M. N. Clout.) pp. 293-300. (World Conservation Union: Gland, Switzerland.)

Towns, D. R. , Atkinson, E. A. E. , and Daugherty, D. H. (2006). Have the harmful effects of introduced rats on islands been exaggerated? Biological Invasions 8, 863–891.
CrossRef |

Trites, A. W. , and Joy, R. (2005). Dietary analysis from fecal samples: how many scats are enough? Journal of Mammalogy 86, 704–712.
CrossRef |

Veitch C. R. (1985). Methods of eradicating feral cats from offshore island in New Zealand. In ‘Conservation of Island Birds’ (Ed. P. J. Moors.) pp. 125-141. (International Council for Bird Preservation: Cambridge.)



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