Four healthy adult southern crested caracaras with a mean weight of 1.
Because MIC and MPC data of isolates from caracaras are not available, MIC and MPC values of wild isolates of Escherichia coli and Campylobacter jejuni and gyr A first-step resistant mutants have been included in our study.
In southern crested caracaras, enrofloxacin presents a volume of distribution at steady-state ([V.
Chimango Caracara (Milvago chimango) was the species with the most intraspecific cartwheeling cases reported (n = 10), followed by Variable Hawk (Geranoaetus polyosoma\ n = 4), Blackchested Buzzard-Eagle (G.
Basso, who provided enriching discussions on determining sex and relative age in Chimango Caracara.
Social learning in the Caracara Chimango, MUvago chimango (Aves: Falconiformes): an age comparison.
The northern population of Red-throated Caracaras, which formerly occurred from Mexico through southern Costa Rica, has been described as a separate taxonomic unit, I.
On 12 March 2013, we observed a group of five Red-throated Caracaras exhibiting courtship behavior in departamento (dpto.
The 50% of events involved the Chimango Caracara (Milvago chimango) and the Southern Caracara (Caracara plancus) as aggressor species.
Among raptors, the Chimango Caracara appeared as the most important species in stimulating interspecific agonistic interactions.
Bald Eagle [Haliaeetus leucocephalus], Prevost 1979; Parasitic Jaegers [Stercorarius parasiticus], Belisle and Giroux 1995; Great Blue Herons [Ardea herodias], Squires 1998; Northern Crested Caracara
cheriway], McNair et al.
At 0911 hrs, during his approach to the site, the first observer heard the alarm calls of the Red-throated Caracara
(Ibycter americanus) followed by a single loud black-bearded saki scream.
albicaudatus), and Crested Caracaras (Caracara cheriway).
This study was conducted between February and July during 2003 and 2004 on the Encino Division of the King Ranch in Brooks County, Texas (26[degrees] 56' N, 98[degrees] 07' W) during the breeding and nesting seasons of Red-tailed Hawks, White-tailed Hawks, and Crested Caracaras in south Texas (Actkinson 2006).
The Crane Hawk (Geranospiza caerulescens), for example, is shown thrusting its foot into a nest cavity in search of prey, and a flock of Chimango Caracaras
(Milvago chimango) is shown following a plow.