Predação de vertebrados por cães Canis lupus F. Familiaris (Mammalia: Carnivora) no Jardim Botânico do Rio de Janeiro

• Main Authors: Hollanda Rangel, Cristiane, Mendes Bunn Neiva, Carla Helena
• Format: Article in Journal/Newspaper
• Language: Portuguese
• Published: Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio) 2014
• Subjects: animais domésticos; cachorro; cães ferais ou errantes; defaunação; espécies exóticas invasoras; defaunation; domestic animals; feral or free-ranging dogs; invasive alien species; animales domésticos; especies exóticas invasoras; defaunación; perros salvajes o callejeros; Canis lupus
• Online Access: https://revistaeletronica.icmbio.gov.br/index.php/BioBR/article/view/345; https://doi.org/10.37002/biodiversidadebrasileira.v3i2.345

Nowadays exotic species are known as the second environmental threat bringing loss tobiodiversity and naturals ecosystem. The introduction of domestic dogs has serious ecologic consequences,such as transmission of diseases, pursuit, stress, displacement, injuries and death of native animals,hybridization with wild canids and competition among native predators. This paper wants to join datacollected from records of wild animals rescues performed by fauna conservation project of Rio de JaneiroBotanic Garden (JBRJ) from 2005 to 2012 in area of Tijuca National Park damping zone, RJ, Brazil. Fromthe total of 372 animals rescues performed by the project in JBRJ, 36 records were due to domestic dogsattacks which represent almost 10% of them. In a third part of the cases, those animals were collected dead.About 17% of them were rescued with serious damages and 50% of them were orphans wich their motherswere killed by the dogs. The identification of footprints and biting suggests that those injuries were made bydomestic dogs. The most affected species were mammals with 86% of records related to Didelphis aurita.But there were also Tamandua tetradactyla and Procyon cancrivorus both vulnerables in the list of threatenedspecies of Rio de Janeiro city, and Coendou villosus. Only one reptile was attacked, Salvator merianae. Theloss of mammals and animal community simplification are alarming, especially when locally threatenedspecies are evolved. The domestic dog is an important agent in the biodiversity deterioration process. Itspopulation control should be main task to be adopted, especially along the border of protected areas. It isurgent to take actions and efforts in order to solve the serious problem of biodiversity loss by introduction ofexotic species. Those actions must eliminate or mitigate the exotic species impacts in a long and short term. Las especies exóticas son ahora reconocidas como la segunda mayor amenaza ambiental,causando daños a la biodiversidad y los ecosistemas naturales. La introducción de los ...