The Ecological Register: Abrothrix olivaceus

Abrothrix olivaceus (rodent)

Variant names: Abrothrix olivacea, Akodon olivaceus

Mass: 26.2 g based on Pearson 1983, Péfaur et al. 1979, Cortes et al. 1988, Cortés et al. 2000, Kelt 1994, Rau et al. 1981, and Rodríguez-Serrano et al. 2006

Abundance: 0.44 to 45.28% (median 18.11%)

Latitudinal range: -47.7° to -29.9°

Habitats: Mediterranean woodland (2), desert/xeric shrubland (9), temperate broadleaf/mixed forest (4), temperate savanna (3)

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Found in 18 samples

Argentina: Sierras de Tecka, Estancia La Mimosa, Arroyo Pescado, Parque Nacional Bosques Petrificados de Jaramillo (cañadón), Parque Nacional Bosques Petrificados de Jaramillo (estepa arbustiva), Parque Nacional Bosques Petrificados de Jaramillo (estepa subarbustiva), Parque Nacional Bosques Petrificados de Jaramillo (Tyto alba), Parque Nacional Bosques Petrificados de Jaramillo (Bubo magellanicus)

Chile: Valle de la Picada (425 m), Fundo San Carlos de Apoquindo (September), General Carrera Lake (shrub-pasture), Burca, Fray Jorge National Park, Dichato, Melefquén (June), Las Chinchillas Natural Reserve (equatorial-facing slopes, spring 1987), Asentamiento Ceres (3 June), Malleco National Reserve

Size measurements:

♀ body mass	25.8 g	N = 23	Pearson 1983
♀ body mass	18.5 g	N = 3	Péfaur et al. 1979
♂ body mass	28.2 g	N = 41	Pearson 1983
♂ body mass	28.1 g	N = 1	Péfaur et al. 1979
body mass	24.0 g	N = 6	Cortes et al. 1988
body mass	36.6 g	N = 5	Cortés et al. 2000
body mass	21.1 g	N = 3	Cortés et al. 2000
body mass	25.76 g	N = 19	Kelt 1994
body mass	22.5 g	N = 10	Rau et al. 1981
body mass	23 g	N = 1	Rodríguez-Serrano et al. 2006
♂ condyloincisive length	23 mm	N = 1	Thomas 1919
♂ ear length	15 mm	N = 1	Thomas 1919
ear length	16.55 mm	N = 19	Kelt 1994
ear length	15 mm	N = 15	Rodríguez-Serrano et al. 2006
ear length	14 mm	N = 14	Rodríguez-Serrano et al. 2006
♂ head and body length	87 mm	N = 1	Thomas 1919
♂ hind foot length	22 mm	N = 1	Thomas 1919
hind foot length	22.87 mm	N = 19	Kelt 1994
hind foot length	20 mm	N = 15	Rodríguez-Serrano et al. 2006
hind foot length	21 mm	N = 14	Rodríguez-Serrano et al. 2006
lower tooth row length	3.88 mm	N = 17	Kelt 1994
♂ skull length	25.7 mm	N = 1	Thomas 1919
skull length	25.72 mm	N = 18	Kelt 1994
♂ skull width	12.6 mm	N = 1	Thomas 1919
skull width	12.48 mm	N = 17	Kelt 1994
♂ tail length	79 mm	N = 1	Thomas 1919
tail length	76.28 mm	N = 18	Kelt 1994
tail length	71 mm	N = 15	Rodríguez-Serrano et al. 2006
tail length	76 mm	N = 14	Rodríguez-Serrano et al. 2006
total body length	170.26 mm	N = 19	Kelt 1994
total body length	156 mm	N = 15	Rodríguez-Serrano et al. 2006
total body length	168 mm	N = 14	Rodríguez-Serrano et al. 2006
♂ upper tooth row length	3.7 mm	N = 1	Thomas 1919
upper tooth row length	3.78 mm	N = 19	Kelt 1994

See also Abrothrix, Abrothrix andina, Abrothrix longipilis, Abrothrix sanborni, Abrothrix sp., Abrothrix xanthorhinus