Most breeders of psittacines such as lovebirds, yacos or nymphs and many of the finch keepers or breeders of canaries and even birds of prey such as falcons, goshawks, owls or barn owls have had to face the dilemma of classifying a chick as a male or female. But why? What is the cause of […]
The globalization of the trade of many animal species as food, of a domestic type, beneficial for pest control or pollination, facilitates the establishment of these in places outside their natural origin, in addition to the transmission of diseases between populations, both non-native and indigenous. These biological invasions contribute significantly to the alteration of ecosystem […]