“…Despite this, its ecology and biology are not well known, mainly due to its small area of distribution and its rarity, since it is a seriously endangered species (I.U.C.N., 1978). The only works published until present on the food habits of this species, include some field observations compiled by Valverde (1957Valverde ( , 1963Valverde ( , 1967, the analysis of a few gut contents and faeces by Delibes et al (1975), Delibes (1975) and P a 1 m a (1977) and the paper by R o g e r s (1978), in which are presented, incorrectly in some aspects, some of my unpublished data.…”