Dear Marmamers, On behalf of our Editorial Board, I would like to inform you that the issue of the Latin American Journal of Aquatic Mammals (LAJAM 4:2) is available. This issue includes the following articles: CONTENTS A southern bottlenose whale examined in the Antarctic ........................ 83 Robert Clarke Record of a specimen of Shepherd’s beaked whale (Tasmacetus shepherdi) from the coast of Santa Cruz, Argentina, with notes on age determination .................................................................................. 97 M. Florencia Grandi, Alejandro D. Buren, Enrique A. Crespo, Néstor A. García, Guillermo M. Svendsen and Silvana L. Dans An Andrew’s beaked whale Mesoplodon bowdoini (Cetacea, Ziphiidae) stranded on the Atlantic Coast of Uruguay ........................................101 Paula Laporta, Ricardo Praderi, Virginia Little and Alfredo Le Bas Biological data on two Hector´s beaked whales, Mesoplodon hectori, stranded in Buenos Aires province, Argentina ...................................113 Humberto Luis Cappozzo, María Fernanda Negri, Bettina Mahler, Verónica V. Lía, Pablo Martínez, Adriana Gianggiobe and Alejandro Saubidet A True’s beaked whale (Mesoplodon mirus) on the coast of Brazil: adding a new beaked whale species to the western Tropical Atlantic and South America ......................................................................................... 129 Shirley P. de Souza, Salvatore Siciliano, Sandra Cuenca and Bianca de Sanctis Record of the Layard´s beaked whale, Mesoplodon layardii (Gray, 1856), in northeastern Brazil .......................................................................... 137 Rodrigo Maia-Nogueira and José de Anchieta C. da C. Nunes Oceanographic conditions off coastal South America in relation to the distribution of Burmeister’s porpoise, Phocoena spinipinnis ................141 Daniza Molina-Schiller, Sergio A. Rosales and Thales R. O. de Freitas Sightings of southern right whales, Eubalaena Australis, off Uruguay ................................. 157 Paula Costa, Ricardo Praderi, Mariana Piedra and Paula Franco-Fraguas Composition and seasonal variation in the diet of the South American sea lion (Otaria flavescens) from Quequén, Argentina ..............................163 Amalia A. Suarez, Daniela Sanfelice, Marcelo H. Cassini and Humberto Luis Cappozzo Natural and human disturbance in a rookery of the California sea lion (Zalophus californianus californianus) in the Gulf of California, Mexico..............................................................................................175 Vanessa Labrada-Martagón, David Aurioles-Gamboa and Sergio Francisco Martínez-Díaz Rescue, handling and release of a melon-headed whale, Peponocephala electra, stranded in Ceará, NE Brazil................................................ 187 Monica Regina Alves Motta and Cristine Pereira Negrão Silva Dry and rainy season estimations of giant otter, Pteronura brasiliensis, home range in the Yasuní National Park, Ecuador..................................191 Victor Utreras B., Esteban Suárez R., Galo Zapata-Ríos, Geovanna Lasso and Luis Pinos First records of elephant seals on the Guayaquil Gulf, Ecuador: on the ocurrence of either a Mirounga leonina or M. angustirostris ............ 195 Juan José Alava and Raúl Carvajal For non-members of SOLAMAC, subscriptions to LAJAM can be made by check (or money order), in U.S. dollars, payable to "LAJAM". Please send payment to LAJAM/SOLAMAC c/o Nélio Barros, P.O. Box 3184, Sarasota, FL 34230-3184 USA. LAJAM's subscription rates for 2005 and 2006 are (in US dollars): REGULAR PRICE * Students $30.00 Non-students $50.00 Libraries or other institutions $60.00 * Add US $10.00 for subscriptions from North America, Europe, Japan and Australia/New Zealand * Add US $5.00 for subscriptions from Africa, Asia and other Australasian countries Both students and non-students from developing countries (outside Latin-America) may be exempted of mailing costs upon a duly supported request, and will be considered on a case-by-case basis. Issues 1(1) and 2(1) are currently out of print. A very limited number of issues 2:2 and 3:1 are available. Other recent issues 3:2, 4:1 and 4:2 are available at a cost of $25 each. Any further information can be obtained from the editors (LAJAM@infolink.com.br). Best regards, Eduardo Secchi Editor-in-chief, LAJAM ************************************ Eduardo R. Secchi, Ph.D Lab. Mamíferos Marinhos Museu Oceanográfico “Prof. E.C. Rios” - FURG Cx.P. 379 Rio Grande-RS, 96200-970, Brasil MOBILE: ++53-9241-0300 Phone (work): ++53-3232-9107 or 3231-3496 Phone (home): ++53-3236-2937 FAX: ++53-3232-9633 e.mail: edu.secchi@furg.br Send instant messages to your online friends http://au.messenger.yahoo.com