| cryptococcus neoformans in bird excreta in the city zoo of cali, colombia. | the presence of cryptococcus neoformans was studied in bird excreta and in the air circulating in and around bird cages in the city zoo of cali, colombia, between august 1994 and april 1995, using a sunflower seed agar culture medium for fungus isolation. a total of 380 samples was studied, 110 from droppings and 270 from petri dishes placed inside (148) and outside (122) the cages. c. neoformans var neoformans was found in only two cases, one from bird excreta (0.9%) and the other from air insi ... | 1999 | 11040862 |
| [temporal distribution of diurnal rapacious birds in "playón de mismaloya" reservation, jalisco, mexico]. | diurnal raptors were counted monthly in the "playón de mismaloya", reserve, jalisco, mexico, from november 1997 to october 1998. we identified 11 species; eight of them migrants, one resident and two resident with migrant populations. the highest increase in total number of individuals was from december to march, influenced mainly by the presence of caracara polancus (crested caracara), falco sparverius (american kestrel) and pandion haliaetus (osprey). the two former species were observed frequ ... | 2000 | 11487921 |
| prevalence of antibodies to west nile virus and other arboviruses among crested caracaras (caracara cheriway) in florida. | we documented the antibody prevalence to three arboviruses, st. louis encephalitis virus (slev), eastern equine encephalitis virus (eeev), and west nile virus (wnv), in crested caracaras (caracara cheriway; n = 80) in florida from 2007 to 2008. antibody prevalence to wnv was higher (9%) than for the other viruses. most seropositive birds were adults (< or =3 yr of age), with 55% of adults testing positive for antibodies to at least one virus. adults were significantly more likely to have antibod ... | 2009 | 19617494 |
| experimental infection of crested caracara (caracara plancus) with toxoplasma gondii simulating natural conditions. | toxoplasma gondii affects mainly warm-blooded animals, including birds. even though previous experimental data indicate that raptors are resistant to clinical infection, there is no information regarding the susceptibility of brazilian birds of prey to t. gondii. the present study aimed to observe how the crested caracara, a common raptor in brazil, interacts with t. gondii using an experimental model. seven crested caracaras, seronegative for t. gondii, were separated into infected (n=5) and co ... | 2010 | 20451327 |
| granulomatous filarial encephalomyelitis caused by chandlerella quiscali in a northern crested caracara (caracara cheriway). | a northern crested caracara (caracara cheriway) was presented after being found nonambulatory in a field. on physical examination, the bird had severe hind-limb paresis. the bird did not improve after 10 days of hospitalization and was euthanized. histologic examination of the cerebrum and spinal cord revealed multiple adult filarial nematodes surrounded by granulomatous inflammation with several multinucleated giant cells. these parasites were confirmed to be chandlerella quiscali with polymera ... | 2017 | 28363039 |
| molecular detection of bacteria in the families rickettsiaceae and anaplasmataceae in northern crested caracaras (caracara cheriway). | bacterial pathogens of the families anaplasmataceae and rickettsiaceae are often spread to humans or other animals from bites from infected arthropod hosts. recently, an increasing number of studies have implicated migratory birds in the circulation of these pathogens through the spread of arthropod vectors. however, few studies have examined the potential for resident bird populations to serve as reservoirs for these zoonoses. in this study, we used nested pcrs of the groesl and 17 kda genes to ... | 2016 | 26837860 |
| new records of three hippoboscid species on newly captured birds from nature in paraná, brazil. | the aims of this study was to provide new records of hippoboscid flies collected over an one-year period on newly captured birds from nature in the state of paraná, brazil. the birds were received by a wildlife center in tijucas do sul and the hippoboscid flies were collect by hand or by tweezers, generating a prevalence of 0.7% (16/2232) of parasitized birds. new information about distribution of hippoboscid flies on asio clamator, rupornis magnirostris and athene cunicularia was reported in th ... | 2016 | 27737369 |
| digenean fauna in raptors from northeastern argentina, with the description of a new species of strigea (digenea: strigeidae). | the digenean fauna of six species of falconiform birds from northeastern argentina is reported and a new species and several new hosts and geographical records are presented. strigea proteolytica n. sp. (strigeidae) is described from buteogallus urubitinga and distinguished from their congeners by the combination of the following characters: plump body, conspicuous proteolytic gland, forebody with scarce vitelline glands, copulatory bursa with a well developed muscular ring (ringnapf), and absen ... | 2014 | 24872182 |
| molecular characterization and biochemical and histopathological aspects of the parasitism of haemoproteus spp. in southern caracaras (caracara plancus). | haemoproteid species have a wide global distribution, and they have been described in falcon species in several parts of the world. however, few studies in south america have focused on these birds. haemoproteus spp. infections have been reported as the causative agents of serious histopathological changes, which can lead to the death of the host. thus, this study aimed to molecularly and phylogenetically characterize haemoproteus spp. in caracara plancus, to characterize aspects of parasitism t ... | 2015 | 26200719 |
| pharmacokinetic and pharmacodynamic properties of enrofloxacin in southern crested caracaras (caracara plancus). | to determine the dosage of enrofloxacin in southern crested caracaras (caracara plancus), plasma concentrations of enrofloxacin were measured by high-performance liquid chromatography after intravenous (iv) (5 mg/kg) and intramuscular (im) (10 mg/kg) administration. this compound presented a relatively high volume of distribution (2.09 l/kg), a total body clearance of 0.24 l/kg x h, and a long permanence as shown by an elimination half-life of 7.81 hours after iv administration and a terminal ha ... | 2013 | 24344508 |
| reproductive success of south american terns (sterna hirundinacea) from cardos islands, florianópolis, sc, brazil. | sterna hirundinacea (lesson, 1831) is a migratory seabird that breeds in the pacific coast (from peru to chile) and along the atlantic coast of south america from espírito santo (brazil) to terra del fuego (argentina). this paper describes the reproductive success of south american terns on cardos island, florianopolis, brazil in the breeding seasons of 2003, 2005 and 2006. the colony was formed in mid-may in 2003 and early april in other years, with the total number of nests ranging from 1,852 ... | 2012 | 22499260 |
| cardiorespiratory effects of isoflurane anesthesia in crested caracaras (caracara plancus). | to evaluate the cardiorespiratory changes induced by isoflurane (iso) anesthesia in the crested caracara (caracara plancus), eight crested caracaras that weighed 1.0 kg (range 0.9-1.1 kg) were the subjects for the study. the birds were anesthetized by face mask with iso for brachial artery catheterization. after recovery, anesthesia was re-induced and maintained with iso with spontaneous ventilation. electrocardiography, direct systolic arterial blood pressure (sap), diastolic arterial blood pre ... | 2011 | 22946364 |
| some cardiopulmonary effects of sevoflurane in crested caracara (caracara plancus). | to evaluate the cardiorespiratory changes induced by sevoflurane (sev) anesthesia in the crested caracara (caracara plancus). | 2009 | 19709047 |
| two surgical approaches to fracture malunion repair. | two birds were presented with malunion fractures. the first was a young toco toucan (ramphastos toco) with malunion of the tarsometatarsus that was treated by an opening-wedge corrective osteotomy and an acrylic-pin external skeletal fixator (type ii) to stabilize the osteotomy. the second bird was an adult southern caracara (caracara plancus) with radial and ulnar malunion that was treated by closing-wedge osteotomies. stabilization of the osteotomy sites was accomplished through a bone plate f ... | 2008 | 19216261 |
| function and occurrence of facial flushing in birds. | so far overlooked as a pigment involved in visual communication, the haemoglobin contained in the blood of all birds is responsible for the red flushing colours in bare skin areas of some species. our aim has been twofold: (1) to study sub-epidermical adaptations for blood circulation in two flushing species: the crested caracara (polyborus plancus) and the hooded vulture (necrosyrtes monachus), and (2) to provide the first compilation of avian species with flushing skin. the bare facial skin of ... | 2006 | 16337158 |
| contaminants in the southern tip of south america: analysis of organochlorine compounds in feathers of avian scavengers from argentinean patagonia. | the aim of this study was to assess the exposure to organochlorine compounds (oc) in 91 primary wing feathers of avian scavengers, turkey vulture (cathartes aura), american black vulture (coragyps atratus) and southern crested caracaras (polyborus plancus) from the southern tip of south america, in the argentinean patagonia. we analyzed for a series of oc including hexachlorocyclohexane (hch) isomers, endosulfan, aldrin, dieldrin, endrin, dichlorodiphenyltrichloroethane (p,p'-ddt), dichlorodiphe ... | 2015 | 25682585 |
| genetic diversity of toxoplasma gondii isolates obtained from free-living wild birds rescued in southeastern brazil. | recent studies carried out in brazil have shown that strains from the same toxoplasma gondii genotype can infect humans, domestic animals (dogs and cats) and animals slaughtered for human consumption (pigs, sheep, goats, and chickens), suggesting a common infection route. however, little is known about the importance of free-living wild birds within this epidemiological context. the objective of this work was to isolate, genotype, and evaluate the virulence for mice of new isolates of t. gondii ... | 2018 | 30479944 |
| new insights into the clinico-histopathological and molecular features of pelecitus (filarioidea: onchocercidae) from a raptor bird. | some onchocercidae nematodes such as pelecitus are parasites of medical and veterinary importance. the adult stage of pelecitus has been reported infecting birds, and the microfilaria has been associated to human blindness. however, in some of these cases, the nematode was incompletely identified at the species level due to the scarcity of morphological taxonomic keys and, also, to the lack of molecular diagnostic analysis. here, we report a new pelecitus species in a crested caracara (caracara ... | 2018 | 30006807 |
| mercury in the feathers of bird scavengers from two areas of patagonia (argentina) under the influence of different anthropogenic activities: a preliminary study. | mercury (hg) is a global pollutant that bioaccumulates and biomagnifies in food chains and is associated with adverse effects in both humans and wildlife. we used feather samples from bird scavengers to evaluate hg concentrations in two different areas of northern patagonia. hg concentrations were analyzed in feathers obtained from turkey vultures (cathartes aura), black vultures (coragyps atratus), and southern crested caracaras (caracara plancus) from the two areas of northern patagonia (argen ... | 2018 | 29512014 |
| records of breeding in wilson's plover charadrius wilsonia with new localities for brazil. | wilson's plover, charadrius wilsonia, is widely distributed in coastal areas of the americas. this report presents the first record of breeding in this species on coroa do avião island, on the coast of pernambuco, and in the estuary of the cardoso and camurupim rivers, on the coast of piauí, in northeastern brazil, extending the known area of reproduction of this species in this region. one breeding pair was observed on october 29th 2014 on coroa do avião island, and a second pair was recorded o ... | 2020 | 31017236 |
| a review of the feather mite family gabuciniidae gaud amp; atyeo (acariformes: astigmata: pterolichoidea) of brazil, with descriptions of eleven new species. | the feather mite family gabuciniidae currently includes 16 genera and approximately 65 described species associated with birds of nine orders, with the greatest diversity on accipitriformes. in this study, 11 new species are described from the following hosts: aetacarus accipiter sp. nov. from the bicolored hawk accipiter bicolor (vieillot, 1817) (accipitriformes: accipitridae), capitolichus campoflicker sp. nov. from the campo flicker colaptes campestris (vieillot, 1818) (piciformes: picidae), ... | 2020 | 32230117 |
| fruit consumption and seed dispersal of caryocar brasilense (caryocaraceae) by caracara plancus (falconidae). | | 2020 | 33053138 |
| antimicrobial resistance profile and biofilm production of microorganisms isolated from oropharynx of rupornis magnirostris (gmelin, 1788) and caracara plancus (miller, 1777). | the aim of this preliminary study was to identify microorganisms with antimicrobial resistance profile and biofilm producers in oropharynx of rupornis magnirostris and caracara plancus. six r. magnirostris and six c. plancus maintained in triage center for wild animals (cetas) facilities were studied. coagulase-positive staphylococci (cops), enterobacteria, and yeasts were identified by the biochemical analysis or maldi-tof mass spectrometry. the resistance profile of the microorganisms was anal ... | 2020 | 32695305 |
| blood supply and arteriography of the pelvic limb of the southern caracara (caracara plancus) and great egret (ardea alba). | the aim of this study was to compare the arterial vascularization of the pelvic limb between southern caracara (caracara plancus) and great egret (ardea alba) by dissection and radiographic examinations. five specimens of caracaras (three males and two females), and seven great egrets (five males and two females) were used. barium sulphate and latex suspension were injected into the left ventricle of the birds. the radiographs were taken with the pelvic limbs in the ventrodorsal, dorsoplantar, m ... | 2020 | 32537833 |
| organochlorine pesticides in feathers of three raptor species in southern brazil. | in this study, we determined the presence of organochlorine pesticides (ocps) in back feathers from three raptor species, phalcoboenus chimango, milvago chimachima and caracara plancus. samples were obtained from live animals and ten ocps were detected: α-hch, β-hch and γ-hch (lindane), heptachlor, heptachlor epoxide, aldrin, endosulfan i, endosulfan ii, endosulfan sulfate and p,p'-dde. the concentrations found were higher than those reported in other raptor species, and c. plancus showed greate ... | 2020 | 31863378 |
| sight or smell: which senses do scavenging raptors use to find food? | raptors are usually considered to be mainly visually dependent, and the use of other sensory modalities has rarely been studied in these birds. here, we investigated experimentally which senses (vision and/or olfaction) turkey vultures (cathartes aura) and southern caracaras (caracara plancus) use to find hidden food. first, two identical stainless-steel perforated balls, one containing a putrefied piece of meat and the other an odorless control, were presented to birds in binary choice experime ... | 2019 | 30367315 |