Digging Behaviors of Radio-Tagged Black-Footed Ferrets Near Meeteetse, Wyoming, 1981–1984

作者: Dean E. Biggins , Louis R. Hanebury , Kathleen A. Fagerstone

DOI: 10.3398/064.072.0204

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摘要: Intensive radio-tracking during August-December enabled us to collect detailed information on digging behaviors of a small sample black-footed ferrets (Mustela nigripes) occupying colonies white-tailed prairie dogs (Cynomys leucurus). A 33 dogs, also radio-tagged, progressively ceased aboveground activity late summer and fall, presumably as they descended into burrows hibernate. Most the time spent was in November-December when >95% radio-tagged were inactive, suggesting that primarily excavate hibernating prey. Although 43.9% burrow openings estimated be large mounds, which are common all 17 deposits soil (diggings) made by excavated at mounds or nonmounded openings. The average duration 23 nocturnal sessions 112.2 minutes. session consisted multiple bouts movement typically lasting about 5 min, separated pauses above- belowground several Bouts moving from involved round-trips 12.5-30.3 s remove an 35 cm3 per trip. These energetically costly for ferrets. One female moved 16.8 kg 3.3 m having cumulative 178 minutes, removing plug cm long. Increasing evidence suggests some coevolutionary responses between this highly specialized predator its dog RESUMEN.—Mediante el uso intensivo del monitoreo por radio desde agosto hasta diciembre, logramos colectar informacion detallada sobre la conducta de excavacion una pequena muestra hurones patas negras que habitan colonias perros llaneros cola blanca Una llaneros, tambien monitoreados radio, cesaron gradualmente su actividad suelo durante finales verano y otono, probablemente debido descendieron sus madrigueras para hibernar. De noviembre diciembre fue cuando los pasaron mayor parte tiempo cavando mas 95% no se encontraban activos, lo cual indica las excavaciones hacian primordialmente extraer presas estaban hibernando. pesar estima encuentra en monticulos grandes son comunes blanca, depositos tierra (excavaciones) realizados hurones, todos habian excavado pequenos o sin monticulos. La duracion promedio sesiones nocturnas realizadas minutos. sesion consistio varios ratos movimiento tipicamente duraban alrededor minutos, separados pausas tanto como subsuelo En estos ratos, realizaban viajes segundos remover viaje. Estas consumen mucha energia hurones. hembra removio Kg largo distancia aproximadamente excavacion, cuales duraron minutos total logro un taponamiento largo. Existen cada vez evidencias indican algunos comportamientos respuestas coevolutivas entre este depredador altamente especializado presa, perro llanero.

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