OOIR: Observatory of International Research

Papers

(The TQCC of Zoo Biology is 2. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Steroid Hormone Metabolite Levels in European Minks: Implications for the Conservation of a Threatened Species	26
“The influence of olfactory enrichment on the behavior of two captive New World primates: Black‐capped capuchin (Sapajus apella) and common marmoset (Callithrix jacchus)”	25
Conservation psychology strategies for collaborative planning and impact evaluation	12
Anesthesia and humane euthanasia methods for king worm larvae (Zophobas morio)	12
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Issue Information	12
Population genetics of wild and captive Trachemysvenusta (Gray, 1856) (Reptilia: Emydidae) in the Usumacinta river basin in Mexico	11
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Captive rearing of orphaned African wild dogs (Lycaon pictus) in Namibia: A case study	11
Insights Into the Reproduction and Maturity of the Spinetail Devil Ray (Mobula mobular)	11
Ultraviolet light alters experimental aquarium water microbial communities	10
Individual and community‐level impacts of the unarmed all‐women Black Mamba Anti‐Poaching Unit	10
Optimizing captive short‐beaked echidna (Tachyglossus aculeatus) fecal sample identification and hormonal analysis	10
Issue Information	9
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Nest quality predicts the probability of egg loss in the critically endangered ʻAlalā (Corvus hawaiiensis)	8
Furred and feathered friends: How attached are zookeepers to the animals in their care?	7
Artificial incubation and hand‐rearing of Superb Bird‐of‐paradise(Lophorina superba)	7
Weight as an indicator of enclosure suitability in Livingstone's fruit bats (Pteropus livingstonii)	7
Review of threatened Malagasy freshwater fishes in zoos and aquaria: The necessity of an ex situ conservation network—A call for action	7
The Use of Gonadotropin Releasing Hormone to Manage Intraspecific Agonism in a Coalition of Male Lions (Panthera leo)	7
Evoking empathy—An overlooked role of animal statues in zoos	7
Social introductions of multiple groups of dwarf mongooses (Helogaleparvula)	6
Behavior of Rio Sao Francisco Piranhas in Response to Changes in Space and Density	6

Predictors of testosterone in zoo‐managed male African elephants (Loxodonta Africana)	6
Animal‐human two‐shot images: Their out‐of‐context interpretation and the implications for zoo and conservation settings	6
Issue Information	6
Milk composition of white rhinoceros over lactation and comparison with other Perissodactyla	5
Positive Correlation Between Fecal Estrogen and Glucocorticoid Metabolites in a Female Clouded Leopard	5
Colony composition and nutrient analysis of Polyrhachis dives ants, a natural prey of the Chinese pangolin (Manis pentadactyla)	5
Ambassador Animals Do Not Have a Clear Effect on Visitor Conservation Knowledge and Attitudes Toward Exotic Pets at a Zoo Exhibit	5
Distinguishing mobility and immobility when establishing species‐specific activity budgets: A case study with gorillas (Gorilla berengei berengei and Gorilla gorilla gorilla)	5
Case study: Visual barriers reduce pacing in captive tigers	5
Behavior and adrenal physiology of Magellanic penguins (Spheniscus magellanicus) serving as ambassador animals	5
Influence of institutional attributes on fulfillment of transfer and breeding recommendations in zoos and aquariums	5
Breeding season behaviors of captive tawny frogmouth (Podargus strigoides) pairs	5
Factors affecting captive female giraffe stress response: Male presence, small enclosure, and low temperature	5
Bioacoustics as a tool to monitor the estrus cycle in a female slow loris (Nycticebus sp.)	5
Mortality trends for five species of macropods from a single institution from 1995 to 2016	4
What is the role of the studbook in zoo and aquarium research?	4
Husbandry conditions of spotted ratfish (Hydrolagus colliei, Chimaeriformes) in aquaria for successful embryonic development and long‐term survival of juveniles	4
Suspected Case of Persistent Thiamin Deficiency in a Hand‐Reared Caribou Calf	4
Effect of Carcass Feeds on Feeding Behavior and Social Interactions in Zoo‐Based African Wild Dogs (Lycaon pictus)	4
A preliminary global investigation into potential impacts on successful captive breeding for two species of Rhyticeros hornbill	4
Radiological Landmarks as an Aid in the Interpretation of Rodent Skull Extra‐Oral Projections	4
Intake and digestibility of two diets for nine‐banded armadillos (Dasypus novemcinctus: Linnaeus, 1758) kept under human care	4
Developmental life stages of the Pickersgill's reed frog (Hyperolius pickersgilli) in an ex‐situ environment at Johannesburg Zoo's captive breeding facility, South Africa	4
Diagnosis of Menopause in a Captive Sumatran Orangutan (Pongo abelii)	4
Enrichment devices for green turtles (Chelonia mydas) reared in captivity programs	4
Historical development of the survivorship of zoo rhinoceroses—A comparative historical analysis	4
Costs and benefits of living in a vegetated, compared with non‐vegetated, enclosure in male Japanese macaques (Macaca fuscata)	4
Increasing animal cognition research in zoos	4
The Provision of Browse and Its Impacts on the Health and Welfare of Animals at the Zoo: A Review	4
Cover: Zoo Biology, Volume 43 Issue 4 July/August 2024	4
Fecal microbiota transplants modulate the gut microbiome of a two‐toed sloth (Choloepus didactylus)	4
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Backcrossing as a species restoration technique	3
Dr. Terry L. Maple	3
Exploration of cultural norms and behavioural beliefs about zoo animal behaviour, welfare, ethics and husbandry practices in a sample of the international zoo community	3
Dither: A unifying model of the effects of visitor numbers on zoo animal behavior	3
Playful mouth‐to‐mouth interactions of belugas (Delphinapterus leucas) in managed care	3
The perception of felid welfare by zookeepers in North America and the implications for zoo managers	3
Documenting nocturnal activity of dragon‐headed katydids (Lesina blanchardi) under artificial light	3
Impacts of the COVID‐19 pandemic on population management in AZA	3
First natural breeding of the endangered dusky gopher frog (Lithobates sevosus) in captivity	3
Free‐ranging Southern anteater mating behavior: Contribution to Tamandua natural history	3
Keeper effect: Animals are more active in the presence of their caretakers	3
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The use of infrared thermography to noninvasively measure the surface temperature of polar bears during bouts of social play	3
Conservation psychology: The future of conservation built upon a legacy	3
Strategies for establishing and using genome resource banks to protect genetic diversity in conservation breeding programs	3
Case study: Modifying repetitive behavior in a polar bear (Ursus maritimus)	3
Issue Information	3

Wing condition does not negatively impact time budget, enclosure usage, or social bonds in a flock of both full‐winged and flight‐restrained greater flamingos	2
The Zone Overlap Index: A new measure of shared resource use in the zoo	2
Rearing density and food variety impact growth, development, and survival of larvae in the declining amphibian, Pseudacris maculata	2
Genetic diversity and relatedness in captive collared peccariesDicotyles tajacu(Linnaeus, 1758) (Cetartiodactyla: Tayassuidae) estimated by microsatellite genotyping using high‐throughput seque	2
Monitoring the world‐oldest zoo‐housed male giant panda (Ailuropoda melanoleuca): A case‐study on pathway utilization	2
Cover: Zoo Biology, Volume 43 Issue 6 November/December 2024	2
Successful assisted rearing and reintegration of a blue wildebeest calf into a managed herd prior to weaning	2
A cross‐over dietary intervention in captive cheetahs (Acinonyx jubatus): Investigating the effects of glycine supplementation on blood parameters	2
Effect of photobiomodulation therapy as a multimodal approach to treatment of dermal abrasions in cownose rays (Rhinoptera bonasus)	2
Dietary lutein supplementation improves immunity and antioxidant status of captive Indian leopards (Panthera fusca)	2
Residual tissue magnesium concentration in jellyfish (Aurelia aurita and Cassiopea andromeda) following magnesium chloride euthanasia	2
An evaluation of DNA sample source and molecular markers to determine gender in the short‐beaked echidna (Tachyglossus aculeatus)	2
Sex determination by ultrasonography prior to artificial breeding of the pufferfish Arothron manilensis (Tetraodontiformes, Tetraodontidae)	2
Genetic Characterization of Captive South American Fur Seals in Japan Based on Mitochondrial and Microsatellite DNA Analyses	2
A Portable Fluid Administration System for Prolonged Intravenous Fluid Administration in Subadult and Adult White Rhinoceroses (Ceratotherium simum)	2
Larger Than Life? Body Mass Records of Zoo‐Managed Giant Anteaters (Myrmecophaga tridactyla)	2
Ants (Hymenoptera: Formicidae) and termites (Blattodea: Termitoidae) in the diet of wild white‐bellied pangolin (Phataginus tricuspis) in forest‐savanna habitats of Cameroon	2
A novel protocol for three‐dimensional mapping of sand tiger shark (Carcharias taurus) enclosure use in aquaria: Implications for management	2
Sex identification of birds in Taipei Zoo	2
Breaking the spell: Changes in the behavior of two zoo‐kept tigers (Panthera tigris) after exposure to a distinct feast‐and‐fast feeding regime	2
Issue Information	2
Challenges of devising a milk recipe in a hand‐reared hippopotamus (Hippopotamus amphibius)	2
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Comparing the effectiveness of flagship species in zoo interpretation videos involving dialogic‐based narrative approaches	2
Seasonality, Social Structure and Age Predict Conspecific Aggression in Captive Breeding Southern Ground‐Hornbills (Bucorvus leadbeateri)	2
Measuring the effectiveness of using rangers to deliver a behavior change campaign on sustainable palm oil in a UK zoo	2
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From left to right all through the night: Characteristics of lying rest in zoo elephants	2