Retrospective Study of Raptors Treated at the Southeastern Raptor Center in AUBURN, Alabama

Hernandez, Cecilia L.; Oster, Seth C.; Newbrey, Jennifer L.

doi:10.3356/jrr-17-16.1

Cited by 20 publications

(28 citation statements)

References 8 publications

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“…Few studies have experimentally assessed factors influencing wildlife survival during rehabilitation and release [ 1 ], yet many of the reviewed articles retrospectively assessed or made observations of factors that influenced survival in their study. The reason for admission and the associated severity of diagnosis were both predictors of survival to release in many studies across a broad range of species, particularly birds [ 42 , 44 , 58 ]. However, this was not always the case.…”

Section: Discussionmentioning

confidence: 99%

“…For koalas, habitat quality is more important than habitat familiarity [ 67 ], possibly due to their specialist feeding habits. A few studies identified effects of the human-wildlife interface on survival [ 44 ]. For example, survival rates of bears reflected hunting pressures, with increased numbers of encounters in recolonised areas resulting in more illegal kills by local residents [ 84 ].…”

Section: Discussionmentioning

confidence: 99%

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A systematic review of factors affecting wildlife survival during rehabilitation and release

et al. 2022

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Millions of native animals around the world are rescued and rehabilitated each year by wildlife rehabilitators. Triage and rehabilitation protocols need to be robust and evidence-based, with outcomes consistently recorded, to promote animal welfare and better understand predictors of wildlife survival. We conducted a global systematic review and meta-analysis of 112 articles that reported survival rates of native mammals and birds during rehabilitation and after release to determine intrinsic and extrinsic factors associated with their survival. We assessed survival during rehabilitation and in the short- and long-term post-release, with the hypothesis that survival will vary as a function of species body size, diel activity pattern, trophic level and study location (region of the world). We aimed to determine the direction of effect of these factors on survival to assist in decision-making during triage and rehabilitation. Results showed that mammals and birds were equally likely to survive all stages of rehabilitation, and survival rates varied between locations. Birds in North America had the poorest survival rates post-release, particularly long-term, as did diurnal and carnivorous birds in the short-term post-release. Anthropogenic factors such as motor vehicle collisions and domestic or feral animal attack contributed to morbidity and post-release mortality in 45% (168 of 369) of instances. The reasons for rescue and associated severity of diagnosis were commonly reported to affect the likelihood of survival to release, but factors affecting survival were often species-specific, including bodyweight, age, and characteristics of the release location. Therefore, evidence-based, species-specific, and context-specific protocols need to be developed to ensure wildlife survival is maximised during rehabilitation and post-release. Such protocols are critical for enabling rapid, efficient rescue programs for wildlife following natural disasters and extreme weather events which are escalating globally, in part due to climate change.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

A systematic review of factors affecting wildlife survival during rehabilitation and release

et al. 2022

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“…In their study, Hernandez et al. (2018) found that nocturnal raptors were significantly more likely to be involved in vehicle collisions than diurnal raptors.…”

Section: Introductionmentioning

confidence: 94%

“…The activity patterns of raptors have also been shown to be linked to their rehabilitation outcomes. Headlights often dazzle nocturnal raptors as they hunt along roads, making them vulnerable to collisions with vehicles and fences, resulting in severe injuries (Anderson, 2000; Bullock et al., 2011; Hernandez et al., 2018; Molina‐López et al., 2011). In their study, Hernandez et al.…”

Section: Introductionmentioning

confidence: 99%

Causes of admission to a raptor rehabilitation centre and factors that can be used to predict the likelihood of release

et al. 2021

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Admission records of rescued birds are an important source of information for tracking the prevalence of human-related threats to wildlife. In this study, we used admission records from January 2015 to December 2016 to review the causes for raptor admissions to a raptor rehabilitation centre in Pietermaritzburg, South Africa, and to determine factors that can be used to predict the outcome of rehabilitation. During the study period, 242 raptors were admitted to the centre, representing 33 species.The major causes of admission were collision-related injuries (52%), grounded birds (12%) and orphaned chicks (10%). The most common casualties were spotted eagleowl Bubo africanus (23%), yellow-billed kite Milvus migrans aegyptius/parasitus (12%), jackal buzzard Buteo rufofuscus (10%) and western barn owl Tyto alba (10%). The rehabilitation centre had a release rate of 48%. Reason for admission was a significant predictor of the outcome of rehabilitation while other variables were not. Raptors with no severe injuries such as orphaned chicks and grounded birds were more likely to have successful rehabilitation treatment than raptors suffering from collision injuries. Wildlife rehabilitators can use the results of the present study to develop triage guidelines for raptors admitted to rehabilitation centres.

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“…In addition, available information has shown limited success in releases back into the wild from rehabilitation centers worldwide [10,11].…”

Section: Introductionmentioning

confidence: 99%

Hematology and Blood Chemistry Reference Values of Captive Adult Black-Faced Ibis (Theristicus melanopis melanopis)

Silva¹,

Mujica

Valdés

et al. 2020

Animals

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Hematology and blood chemistry reference values in wildlife animals are considered a key element to evaluate their health and welfare status. The incidence of birds rescued is increasing, thus, rehabilitation centers worldwide need valid reference values to improve medical care for wild individuals. The objective of this study was to obtain the reference values of the adult black-faced ibis (Theristicus melanopis). Blood was taken from adult rehabilitated birds and analyzed to obtain red and white line values such as hematocrit, hemoglobin, mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), heterophils, lymphocytes, monocytes, eosinophils and basophils. Values for blood glucose, proteins, albumin, globulin, calcium, phosphorus, blood urea nitrogen (BUN), creatinine, alkaline phosphatase, aspartate aminotransferase (AST), gamma-glutamyl transpeptidase (GGT), lactate dehydrogenase (LDH), creatine phosphokinase (CPK) and albumin:globulin (A/G) ratio were also obtained. The results were similar to others reported for species of the Threskiornithidae family (bald, glossy and Puna ibises), but showed higher values for white blood cells (WBC), heterophils, monocytes and heterophil-lymphocyte (H/L) ratio, but lower values for basophils and eosinophils. Moreover, higher values in albumin, BUN and CPK were observed. This is the first report of the hematology references values for the black-faced ibis showing differences to other closely related species. The results may be of use in rescue and rehabilitation centers for animal welfare and health assessments of the black-faced ibis.

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Retrospective Study of Raptors Treated at the Southeastern Raptor Center in AUBURN, Alabama

Cited by 20 publications

References 8 publications

A systematic review of factors affecting wildlife survival during rehabilitation and release

A systematic review of factors affecting wildlife survival during rehabilitation and release

Causes of admission to a raptor rehabilitation centre and factors that can be used to predict the likelihood of release

Hematology and Blood Chemistry Reference Values of Captive Adult Black-Faced Ibis (Theristicus melanopis melanopis)

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