{"id":1501,"date":"2024-02-29T15:17:51","date_gmt":"2024-02-29T15:17:51","guid":{"rendered":"https:\/\/xenarthrans.org\/journal\/?post_type=issue&p=1501"},"modified":"2026-01-08T20:46:35","modified_gmt":"2026-01-08T20:46:35","slug":"xenarthra-25","status":"publish","type":"issue","link":"https:\/\/xenarthrans.org\/journal\/issue\/xenarthra-25\/","title":{"rendered":"Xenarthra 25"},"content":{"rendered":"\n
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December 2024<\/h2>\n\n\n\n
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Cover:<\/strong> giant anteater (Myrmecophaga tridactyla<\/em>) with offspring. Photo: Jo\u00e3o Rosa \/ Instituto Tamandu\u00e1.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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Contents<\/h3>\n\n\n\n
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<\/th>Abstract<\/th>Type or Section<\/th>OpenGraph image<\/th>Title<\/th>Authors<\/th>DOI<\/th>e-Locator<\/th><\/tr><\/thead>
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The nine-banded armadillo (Dasypus novemcinctus<\/em>) is a widely distributed species throughout North and South America, however its distribution has been restricted by latitude and altitude due to cold temperatures. The maximum reported altitude for the nine-banded armadillo is between 2000\u20133000 m\u2009asl; hence, new records at high elevations might suggest range shifts. Here we report video evidence of a nine-banded armadillo at 3400 m\u2009asl near the summit of the Iraz\u00fa volcano in Costa Rica, which extends upwards the previously known elevation range by 300 m. We speculate this altitudinal range extension is indicative of regime shifts of ecosystems due to climate variability in response to rising temperatures, such as previously reported for several species.<\/p>\n

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Extensi\u00f3n altitudinal del \u00e1rea de distribuci\u00f3n del armadillo de nueve bandas, Dasypus novemcinctus<\/em> (Linnaeus, 1758) (Mammalia, Xenarthra), en el Parque Nacional Volc\u00e1n Iraz\u00fa, Costa Rica.<\/strong> El armadillo de nueve bandas (Dasypus novemcinctus<\/em>) es una especie ampliamente distribuida por Norteam\u00e9rica y Sudam\u00e9rica, aunque su distribuci\u00f3n se ha visto restringida por la latitud y la altitud debido a las bajas temperaturas. La altitud m\u00e1xima registrada del armadillo de nueve bandas es de 2000\u20133000 msnm, por lo que nuevos registros a grandes altitudes podr\u00edan sugerir modificaciones en su rango. Aqu\u00ed reportamos evidencia en video de un armadillo de nueve bandas a 3400 msnm, cerca de la cima del volc\u00e1n Iraz\u00fa en Costa Rica. Este registro extiende el rango de elevaci\u00f3n previamente conocido en 300 m. Especulamos que esta extensi\u00f3n del rango altitudinal es indicativa de cambios en el r\u00e9gimen de los ecosistemas debido a la variabilidad clim\u00e1tica en respuesta al aumento de las temperaturas, tal como se report\u00f3 previamente para varias especies.<\/p>\n<\/td>

Article<\/td>\"Video<\/a><\/td>Altitudinal range extension of the nine-banded armadillo, Dasypus novemcinctus<\/i> (Linnaeus, 1758) (Mammalia, Xenarthra), in Iraz\u00fa Volcano National Park, Costa Rica<\/a><\/td>Kevin J. Lloyd<\/span>, Carolina S\u00e1enz-Bola\u00f1os<\/span>, Victor H. Montalvo<\/span>, Brayan Morera<\/span>, Isabel Hagnauer<\/span>, Eduardo Carrillo<\/span><\/td>doi.org\/10.2305\/RUMC9413<\/a><\/td>e2501<\/td><\/tr>
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Two structural abnormalities are reported in southern three-banded armadillos Tolypeutes matacus<\/em> (Chlamyphoridae) from Paraguay. Additional reports of individuals with amputated legs are noted, and a potential explanation for the frequency of such occurrences associated with predation and their defensive behavior is hypothesized. This is the first documented report of a band anomaly for adults of this species.<\/p>\n

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Anomal\u00edas estructurales en tat\u00fa bolita Tolypeutes matacus<\/em> (Chlamyphoridae) de Paraguay.<\/strong> Se reportan dos anomal\u00edas estructurales en el tat\u00fa bolita Tolypeutes matacus<\/em> (Chlamyphoridae) de Paraguay. Se reportan casos adicionales de individuos con extremidades amputadas y se plantea la hip\u00f3tesis de una posible explicaci\u00f3n para la frecuencia de tales sucesos asociados con la depredaci\u00f3n y su comportamiento defensivo. Tambi\u00e9n se documenta el primer reporte de una anomal\u00eda de bandas en adultos de esta especie.<\/p>\n<\/td>

Field Note<\/td>\"Male<\/a><\/td>Structural abnormalities in Paraguayan southern three-banded armadillos Tolypeutes matacus<\/i> (Chlamyphoridae)<\/a><\/td>Paul Smith<\/span><\/td>doi.org\/10.2305\/GQXT2944<\/a><\/td>e2502<\/td><\/tr>
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En los \u00faltimos a\u00f1os las observaciones del cosever\u00fa (Calyptophractus retusus<\/em>) en Bolivia han ido en aumento. En esta nota se presentan nueve reportes provenientes principalmente de llamadas por parte de la poblaci\u00f3n ante la presencia de la especie en la ciudad de Santa Cruz de la Sierra y sus alrededores y del encuentro fortuito de los autores con la especie. Adem\u00e1s, se presentan los registros de otros tres individuos que provienen de la zona de Isoso, Charagua Iyambae, en comunidades sobre las riberas del r\u00edo Parapet\u00ed. La mayor\u00eda de los individuos fueron medidos y luego liberados en sitios seguros. La aparici\u00f3n de estos individuos probablemente se deba al acelerado y desordenado crecimiento de la urbe en el caso de la ciudad y al aumento de actividades agr\u00edcolas en la zona del Chaco.<\/p>\n

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New records of Calyptophractus retusus<\/em> (Cingulata: Chlamyphoridae) in Bolivia.<\/strong> In recent years, observations of the cosever\u00fa or greater fairy armadillo (Calyptophractus retusus<\/em>) in Bolivia have increased. In this note we present nine reports, mainly from calls from the population about the presence of the species in the city of Santa Cruz de la Sierra and its surroundings, and from chance encounters of the authors with the species. In addition, we present the records of three other individuals from the area of Isoso, Charagua Iyambae, in communities on the banks of the Parapet\u00ed River. Most of the individuals were measured and then released in safe areas. The appearance of these individuals is probably due to the accelerated and unregulated urban sprawl of the city of Santa Cruz, and the increase of agricultural activities in the Chaco area.<\/p>\n<\/td>

Short Communication<\/td>\"Individuo<\/a><\/td>Nuevos registros de Calyptophractus retusus<\/i> (Cingulata: Chlamyphoridae) en Bolivia<\/a><\/td>Sebasti\u00e1n Guti\u00e9rrez-Cruz<\/span>, Luis A. Galvez<\/span>, Romer S. Miserendino Salazar<\/span>, Eliamne K. Guti\u00e9rrez-Ojeda<\/span><\/td>doi.org\/10.2305\/OUMF6063<\/a><\/td>e2503<\/td><\/tr><\/tbody><\/table>\n<\/div>\n<\/div>\n\n\n\n
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