How habitat loss and fragmentation are reducing conservation opportunities for vertebrates in the most threatened savanna of the World João Paulo S. Vieira-Alencar; Bruna E. Bolochio; Ana Paula Carmignotto; Ricardo J. Sawaya; Luís Fábio Silveira; Paula Hanna Valdujo; Cristiano de Campos Nogueira; Javier Nori;

Insufficient protection and intense human pressure threaten islands worldwide Javier Nori; Fabricio Villalobos; Luis Osorio-Olvera; Rafael Loyola;

Overcoming biases of birds¿ research in the Caatinga Helon Simões Oliveira; Sidney F. Gouveia;