OOIR: Observatory of International Research

Papers

(The TQCC of Zoo Biology is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
Visitor presence and a changing soundscape, alongside environmental parameters, can predict enclosure usage in captive flamingos	26
Differing animal welfare conceptions and what they mean for the future of zoos and aquariums, insights from an animal welfare audit	21
An evaluation of interactive projections as digital enrichment for orangutans	19
Assessing preferences of two zoo‐housed Aldabran giant tortoises (Aldabrachelys gigantea) for three stimuli using a novel preference test	15
Biological and environmental factors as sources of variation in nocturnal behavior of giraffe	12
Don't use it? Don't lose it! Why active use is not required for stimuli, resources or “enrichments” to have welfare value	11
Animal‐human two‐shot images: Their out‐of‐context interpretation and the implications for zoo and conservation settings	11
Preliminary investigation of the effects of a concert on the behavior of zoo animals	11
Increasing animal cognition research in zoos	10
Evaluation of vitamin A gut loading in black soldier fly larvae (Hermetia illucens)	9
New insights into dietary management of polar bears (Ursus maritimus) and brown bears (U. arctos)	9
Psychological and social well‐being of bony fishes in zoos and aquariums	8
Strategies for establishing and using genome resource banks to protect genetic diversity in conservation breeding programs	8
The historical development of juvenile mortality and adult longevity in zoo‐kept carnivores	8
Losing the forest for the tree? On the wisdom of subpopulation management	8
Dither: A unifying model of the effects of visitor numbers on zoo animal behavior	8
Body mass and growth rates in captive chimpanzees (Pan troglodytes) cared for in African wildlife sanctuaries, zoological institutions, and research facilities	8
In search of the optimal enrichment program for zoo‐housed animals	8
Enrichment devices for green turtles (Chelonia mydas) reared in captivity programs	7
Playful mouth‐to‐mouth interactions of belugas (Delphinapterus leucas) in managed care	7
The historical development of zoo elephant survivorship	7
Can colored object enrichment reduce the escape behavior of captive freshwater turtles?	7
Effects of a modern exhibit design on captive tiger welfare	7
Investigating food preference in zoo‐housed meerkats	6
Sex‐specific actuarial and reproductive senescence in zoo‐housed tiger (Panthera tigris): The importance of sub‐species for conservation	6

Genetic assessment of captive red pandas (Ailurus fulgens) in American zoos to address management separation by putative subspecies	6
Maximizing the potential for living cell banks to contribute to global conservation priorities	6
Comparative nutrient analysis of four species of cockroaches used as food for insectivores by life stage, species, and sex	6
Diurnal variation in serum concentrations of cortisol in captive African (Loxodonta africana) and Asian (Elephas maximus) elephants	6
Bearing fruit: Piloting a novel judgment bias task in an American black bear	6
The utility of social network analysis for informing zoo management: Changing network dynamics of a group of captive hamadryas baboons (Papio hamadryas) following an introduction of two young m	6
American alligator (Alligator mississippiensis) weight gain in captivity and implications for captive reptile body condition	6
Social networks research in ex situ populations: Patterns, trends, and future directions for conservation‐focused behavioral research	5
Weight management towards physiological and behavioral wellbeing for chimpanzees living under human care	5
Is the natural UV zone important for successful captive propagation of the Panther Chameleon (Furcifer pardalis); are different UVB irradiance exposures that generate a similar dose equally suc	5
Evaluation of the damage caused by in vitro culture and cryopreservation to dermal fibroblasts derived from jaguars: An approach to conservation through biobanks	5
Understanding sociality and behavior change associated with a nesting event in a captive flock of great white pelicans	5
Wearing the devil down: Rate of tooth wear varies between wild and captive Tasmanian devils	5
Review of threatened Malagasy freshwater fishes in zoos and aquaria: The necessity of an ex situ conservation network—A call for action	5
A comparison of staff presence and signage on zoo visitor behavior	5
Effects of GnRH agonists on testosterone and testosterone‐stimulated parameters for contraception and aggression reduction in male lion‐tailed Macaques (Macaca silenus)	5
The past, present and future of hormonal contraceptive use in managed captive female tiger populations with a focus on the current use of deslorelin acetate	5
Furred and feathered friends: How attached are zookeepers to the animals in their care?	5
Flock size and structure influence reproductive success in four species of flamingo in 540 captive populations worldwide	4
Measuring the effectiveness of using rangers to deliver a behavior change campaign on sustainable palm oil in a UK zoo	4
Fecal microbiota transplants modulate the gut microbiome of a two‐toed sloth (Choloepus didactylus)	4
Cane toad (Rhinella marina) vitamin A, vitamin E, and carotenoid kinetics	4
Sentinel behavior in captive meerkats (Suricata suricatta)	4
Reproductive cycles of neotropical boid snakes evaluated by ultrasound	4
Adaptive management in a conservation breeding program: Mimicking habitat complexities facilitates reproductive success in narrow‐headed gartersnakes (Thamnophis rufipunctatus)	4
Validating the use of fecal glucocorticoid metabolite analysis to assess the adrenocortical activity of the zoo‐housed Sichuan takin (Budorcas taxicolor tibetana)	4
Dietary lutein supplementation improves immunity and antioxidant status of captive Indian leopards (Panthera fusca)	4
Contextual impacts on individual and synchronous breathing rate variations in three captive odontocete groups	4
Maximum longevity and juvenile mortality in zoo‐housed mangabeys	4
Effects of Lupron and surgical castration on fecal androgen metabolite concentrations and intermale aggression in capybaras (Hydrochoerus hydrochaeris)	4
Staff perceptions of COVID‐19 impacts on wildlife conservation at a zoological institution	4
Factors affecting the behavior of captive white rhinoceros (Ceratotherium simum) and the accuracy of ad‐hoc keeper data	4
Melengestrol acetate contraceptive implant use in colobus monkeys (Colobus guereza): Patterns through time and differences in reproductive potential and live births	4
Milk composition of white rhinoceros over lactation and comparison with other Perissodactyla	4
Validation of an enzyme immunoassay for measurement of fecal dehydroepiandrosterone sulfate in gibbons and siamangs	4
Five psychological principles of codesigning conservation with (not for) communities	4
Material and food exploration by zoo‐housed animals can inform cognition and enrichment apparatus design	4
The initial steps toward the formation of somatic tissue banks and cell cultures derived from captive Antillean manatee (Trichechus manatus manatus) skin biopsies	4
Spermatic profile of captive giant anteaters (Myrmecophaga tridactyla): Knowing more to preserve better	3
A new candling procedure for thick and opaque eggs and its application to avian conservation management	3
Beyond inspiration: Translating zoo and aquarium experiences into conservation behavior	3
Reasons for unfulfilled breeding and transfer recommendations in zoos and aquariums	3
Retrospective analysis of hibernation parameters and breeding success in captive Vancouver Island marmots (Marmota vancouverensis): 1997–2018	3
Case study: Modifying repetitive behavior in a polar bear (Ursus maritimus)	3
Colony composition and nutrient analysis of Polyrhachis dives ants, a natural prey of the Chinese pangolin (Manis pentadactyla)	3
Assessing the effect of interpretation design traits on zoo visitor engagement	3
Never be mute about bird welfare: Swanning around with environmental enrichment	3
The influence of welfare and bonds with animals on the job satisfaction of felid keepers in North America	3
The effects of Zoo Lights on animal welfare: A case study of great Indian hornbills at Denver Zoo	3
Adapting conservation breeding techniques using a data‐driven approach to restore the ‘Alalā (Hawaiian crow, Corvus hawaiiensis)	3

The perception of felid welfare by zookeepers in North America and the implications for zoo managers	3
Pterygodermatites nycticebi infections in golden lion tamarins (Leontopithecus rosalia rosalia) and aye‐ayes (Daubentonia madagascariensis) from a German zoo	3
Bridging conservation across the ex situ‐in situ spectrum: Insights into the reproductive ecology of the threatened narrow‐headed gartersnake (Thamnophis rufipunctatus)	3
Single or repeated immunization against GnRH fails to completely abolish spermatogenesis in dwarf bucks (Capra hircus)	3
Using social network analysis to inform on the process of one‐male‐unit formation of hamadryas baboons (Papio hamadryas) in captivity	3
Immunocontraception of male and female giraffes using the GnRH vaccine Improvac®	3
Daily activity profile of the golden mantella in the “Froggotron”—A replicated behavioral monitoring system for amphibians	3
Effects of age on sperm quality metrics in endangered Mississippi gopher frogs (Lithobates sevosus) from captive populations used for controlled propagation and reintroduction efforts	3