Articles tagged with Zoos
A new study suggests that chimpanzees raised primarily around humans with less experience around their own species during the first four years of life tend to show reduced social competencies as adults. This effect is expressed years or decades after their lives as pets and performers were over.
New research suggests that chimpanzee violence is driven by adaptive fitness benefits rather than human impacts. A majority of violent attackers and victims are male chimpanzees.
A recent study published in Oryx, a conservation journal, indicates that lowland tapir populations in French Guiana are at risk despite recent hunting restrictions. The research highlights the need for additional restrictions to ensure the long-term survival of this vulnerable species.
A study reveals that over half of meat sold as bushmeat in Africa is from birds, with large raptors like eagles and vultures being disproportionately consumed. The findings highlight the significant impact of bushmeat trade on endangered species and human health globally.
Researchers studying banded mongooses found that stress hormones inhibit future parental investment. High levels of glucocorticoids reduce cooperation and social behavior in future breeding seasons.
Researchers used 3-D technology to track and visualize the movements of California condors, giant pandas, and dugongs. The study provided highly detailed data on their range and habitat use, informing conservation efforts to restore populations.
A new treatment option has been discovered that could protect frogs in zoos from a deadly fungal infection, reducing the reliance on often-toxic itraconazole. Amphotericin B is shown to be less toxic than itraconazole and can be combined with itraconazole for effective treatment.
The San Diego Zoo Global Wildlife Alliance has found that lead poisoning is the primary cause of death in wild California condor populations. This finding highlights the need for conservation efforts to address widespread lead contamination in the environment.
Fencing can disrupt predator-prey dynamics and limit access for migratory herbivores. The Zoological Society of London argues that fencing should be reconsidered as a conservation tool, prioritizing connected environments over physical barriers.
The Jamaican iguana population has grown to over 200 individuals due to conservation efforts. However, a recent proposal to develop the Hellshire Hills area poses a significant threat to the species' survival.
Researchers at Northwestern University discovered that infants can use known verbs to learn new nouns by paying attention to how words are used in sentences. This suggests that word learning occurs naturally and can be facilitated by everyday conversations.
A team of researchers at the University of Wisconsin-Madison identified a new species of tapeworm in Mahal, an orangutan that died at age 5 due to a rare infection. The tapeworm, belonging to the Versteria genus, was found to be in its larval stage and infected nearly every organ in Mahal's body.
Zoos spend significant resources on endangered species, but their efforts are often ineffective due to a lack of coordination and international legislation. Researchers from the University of Southern Denmark found that certain groups of threatened species are overrepresented in zoos, while others are underrepresented.
A study published in the Proceedings of the National Academy of Sciences found that primates, including humans, expend only half the daily energy needed by other mammals. This slow metabolism accounts for their prolonged childhoods, infrequent reproduction, and extended lifespans.
Researchers at the University of Veterinary Medicine in Vienna successfully performed hippo castrations, a long-studied challenge due to anaesthesia issues. The procedure enabled controlling captive hippopotamus populations, improving animal welfare.
The Student DNA Barcoding Project is a flexible curriculum that uses student-generated research to teach about biodiversity, ecology and molecular biology. The project has been successfully used in New York City and Belize, with students exploring topics such as beetles, beehives, and conservation.
African lions in Uganda have decreased by over 30% in the past decade due to poisoning and human-related conflicts. The species' decline poses a significant threat to the country's tourism industry and ecosystem balance.
A crowdsourcing project, Galaxy Zoo 2, has produced a 10 times larger galaxy catalog than any previous one. Over 16 million galaxy classifications were gathered, representing about 57 million computer clicks, and over 300,000 galaxies were included in the catalog.
Scientists have identified over 40 microbes in giant panda feces that can break down lignocellulose, a key step in producing ethanol and biodiesel from non-food plant material. This discovery could help shift production away from food crops and toward sustainable biofuels.
Conservationists at the Zoological Society of London have devised a novel method to identify suitable new homes for animals under threat from climate change. The research uses habitat suitability maps and correctly identifies sites that will remain viable in the future.
Researchers will investigate the neural mechanisms behind empathy, compassion, and cooperation to define their evolutionary development. The project aims to determine if these traits are unique to humans or present in nonhuman primates.
A recent study outlines the intricate social hierarchy of California condors, highlighting the importance of dominance within the group. The research, conducted with the use of new technologies, reveals that individual birds must successfully integrate into the structure to ensure survivability.
The drill population has been reduced to critical habitat areas in Cameroon, with only four habitats receiving high scores for sustainable populations. Conservation efforts are now focused on these key areas, including the proposed Ebo National Park.
Researchers discovered that Sahamalaza sportive lemurs significantly increase vigilance after hearing alarm calls of nearby species, including the crested coua and blue-eyed black lemur. This study provides insight into the lemurs' ability to glean information on predator presence and type from referential signals.
A new study reveals that Southeast Asian monitor lizard species are being harvested and traded in unsustainable volumes, threatening their survival. The trade, particularly for pet owners, has led to over-exploitation and extinction, with many species facing critical threats.
A new personality rating scale for chimpanzees has been developed to address limitations of previous scales. The scale includes 41 behavioral descriptors and was used to assess 99 chimpanzees, showing the personality ratings were associated with differences in behavior.
Researchers found that white tigers owe their color to a variant of the SLC45A2 gene. This discovery may lead to reintroduction of white tigers into their wild habitat.
Ekwoge Abwe, a Cameroon conservationist, has won the prestigious Whitley award for his work preserving Ebo Forest and its wildlife. The award recognizes his community-led gorilla conservation initiative, which aims to secure a safe future for endangered species.
A study with zoo baboons found that they can accurately discriminate between different quantities, relying on a cognitive approach known as the analog system. This ability is shared by humans and children who have not yet learned to count, suggesting a fundamental talent for making approximate quantity judgments.
New scientific studies reveal the negative impact of invasive European buckthorn on Midwestern frog populations and altered mammal distributions. The plant's toxic emodin compound disrupts amphibian development, while its presence attracts carnivores like coyotes and raccoons.
The study reveals a severe decline in African forest elephant populations due to poaching and habitat loss. The findings highlight the urgent need for a coordinated global effort to protect this critically endangered species.
Researchers at the Zoological Society of London found that chimpanzees enjoy solving a challenging puzzle as much as humans do. The chimps used sticks to redirect red dice through pipes until they fell into an exit chamber, demonstrating their problem-solving skills and ability to experience satisfaction without food rewards.
Climate change models predict higher temperatures and months without rainfall, doubling the risk of death in calves up to five years old. The study highlights the importance of protecting vulnerable calves from the effects of climate change.
Researchers use DNA barcoding to identify frog species and prevent hybridization, increasing chances of conservation success. The technique helps scientists understand genetic diversity in captive populations, contributing to the survival of threatened amphibian species.
A study published by the Zoological Society of London predicts that mammals will face a bleak future due to climate change, with 1/3 species at risk from cyclones and droughts. The research identifies primates as particularly vulnerable, highlighting the need for conservation efforts to mitigate the impacts of extreme weather events.
A study published in European Journal of Wildlife Research has confirmed the genetic uniqueness of captive lions at Addis Ababa Zoo in Ethiopia. The research team recommends establishing a captive breeding program to preserve this vulnerable lion population and conserve its genetic heritage.
The Wildlife Conservation Society has released a list of Asian species at the conservation crossroads, calling for governments to take immediate action. These species face daunting challenges from habitat loss, hunting, and trade, but WCS believes they can be saved using the 'three R's approach: recognition, responsibility, and recovery.
A recent study by San Diego Zoo Global researchers found that giant pandas make specific choices when selecting trees for scent marking. The choice of tree is influenced by factors such as bark roughness, presence of moss on the trunk, tree diameter, and distance to trails.
The Genome 10K project has released the medium ground finch genome, allowing for investigation of trait evolution and potential conservation efforts. The genome provides a unique model for studying evolutionary changes and has been linked to dialectic patterns in bird songs.
A new study shows that chimpanzee Santino's planning and deception abilities are greater than previously thought. He uses innovative strategies like hiding projectiles and inhibiting dominance displays to fool visitors, suggesting a flexible planning ability similar to humans.
A study by the Wildlife Conservation Society found that intense gas development is driving away wildlife from their traditional wintering grounds. In Wyoming's Jonah and PAPA gas fields, researchers discovered an 82% decline of high-quality habitat for pronghorn, a sharp increase in infrastructure, and behavioral shifts among the animals.
A recent study found that bigger male gorillas are more successful at attracting mates and raising offspring. The research, conducted over 12 years in Nouabalé-Ndoki National Park, revealed positive correlations between physical traits such as head-crest size and gluteal muscles with an adult male's average number of mates.
A new method developed by the University of Copenhagen allows researchers to track mammal species in Southeast Asian rainforests using DNA-analysis from collected leeches. The technique has been successfully tested on local Vietnamese mammals, including rare species, and could revolutionize the monitoring of threatened wildlife.
Researchers at San Diego Zoo find phytoestrogens in rhino diet linked to reproductive failure. The study compares captive populations with varying diets, revealing a key difference between successful and struggling reproduction.
Recent study in Molecular Ecology reveals spotted hyenas exhibit strong kinship relationships, affected by resource reduction. The San Diego Zoo Global Wildlife Conservancy's conservation efforts focus on understanding and conserving these social systems.
The gorilla genome sequence provides a unique perspective on human origins, revealing that 15% of the human genome is closer to the gorilla genome than it is to the chimpanzee. The study also illuminates genetic differences between gorilla species and highlights the importance of conservation efforts for these endangered populations.
A satellite study has identified suitable habitat and corridors for the Cross River gorilla, a subspecies of gorilla numbering fewer than 300 individuals. The study found that the area known to be occupied by gorillas is more than 50% larger than previously documented.
A recent study reveals that lead poisoning is the leading cause of death for California condors, accounting for 70% of mortalities. Human activities such as deer hunting and power-line collisions also contribute to the species' decline.
Conservation researchers at San Diego Zoo Global's Institute of Conservation Research have developed a low-cost, molecular tool for identifying two-toed sloth species. The technique uses a mitochondrial marker and restriction enzyme assay to distinguish between closely related species.
A collaborative effort analyzed the genomes of great apes, revealing DNA duplications that may contribute to genomic diseases such as autism and mental retardation. The study highlights the shared areas of DNA among different great ape species, including bonobos and chimpanzees.
A new study proposes four proactive management options for conservation of island bird species, including captive propagation and vaccination against diseases enhanced by climate change. The San Diego Zoo Wildlife Alliance highlights the importance of acting now to prevent long-term survival challenges faced by the island scrub-jay.
Scientists found that the Nile crocodile is not a single species but rather two distinct species living side-by-side. The discovery highlights the need for separate conservation strategies for each species due to their unique characteristics and declining populations.
A picture book portrays the life cycle and challenges of a threatened frog species in Arizona, sparking enthusiasm for conservation among children. The book, written by an ASU microbiologist, aims to educate kids about biology, ecology, and overcoming obstacles, while promoting conservation efforts.
A team of researchers measured the bar length of over 5,000 galaxies using amateur astronomers' data from the Galaxy Zoo project. The study reveals that redder galaxies have longer bars and are more likely to display spiral arms.
Researchers successfully established cell cultures from frozen biopsy specimens of the critically endangered Mississippi gopher frog, marking a breakthrough in banking viable amphibian cells. The technique expands conservation efforts to combat diseases and advance reproductive studies.
Researchers found that penguins can distinguish between familiar and unfamiliar odors, using smell to guide behavior and avoid kin recognition. This study provides important insights into bird social recognition and has potential applications for conservation and breeding programs.
The US government will evaluate a petition to list chimpanzees as endangered, which could improve their welfare and conservation. If classified, they would receive protections similar to other endangered species, reducing exploitation by the entertainment industry.
Researchers found that media portrayals of chimpanzees can create widespread misunderstandings about the species' conservation status. The study reveals that viewing images of chimpanzees with humans can lead to a decrease in perceived endangerment and increase the likelihood of owning them as pets, despite their dangerous nature.
A new study published in PLOS ONE found that mass media portrayals of chimpanzees contribute to widespread misunderstandings about their conservation status and nature. The research demonstrates the significant role media plays in creating negative outcomes for individual animals and potentially undermining critical conservation efforts.
A recent aerial survey of northern Botswana shows a significant decline in wildlife populations, with wildebeest populations plummeting by almost 90% over the past 15 years. Habitat fragmentation, drought effects, human encroachment, and poaching are major contributing factors to this decline.