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Q&A: From 'mongoose-like' to lions, tigers and bears (oh my) — how changes in Earth's climate shaped carnivorans

Research led by the University of Washington found that climate transitions over 56 million years ago fueled the emergence of diverse carnivoran body shapes. The Eocene-Oligocene Transition led to changes between families, while the Mid-Miocene Climate Transition drove diversification within families.

SourceUniversity of Washington·JournalProceedings of the Royal Society B Biological Sciences·DateDec 17, 2025

Q&A: From 'mongoose-like' to lions, tigers and bears (oh my) — how changes in Earth's climate shaped carnivorans

A study by University of Washington researchers found that climate changes over 56 million years ago led to diversification of modern carnivores. The Eocene-Oligocene Transition and Mid-Miocene Climate Transition drove the emergence of new body shapes among species such as dogs, cats, bears, and seals.

SourceUniversity of Washington·JournalProceedings of the Royal Society B Biological Sciences·DateDec 17, 2025

Elephants, giraffes and rhinos go where the salt is

A new study reveals that elephants, giraffes, and rhinos are unable to get enough salt from their habitats, leading to sodium deficiency. The researchers found that larger-bodied species are more affected by sodium scarcity, which influences their habitat selection and behavior.

SourceUniversity of Zurich·JournalNature Ecology & Evolution·TypeMeta-analysis·DateDec 9, 2025

Learn the surprising culprit limiting the abundance of Earth’s largest land animals

A new study found that the density and distribution of Earth's largest land animals are limited by sodium availability in their local flora. In many areas, wild herbivores cannot get enough salt in their diet, leading to interesting behaviors such as elephants consuming sodium-rich rocks and gorillas fighting for salty foods.

SourceNorthern Arizona University·JournalNature Ecology & Evolution·DateDec 9, 2025

What happens to eagles after rehab?

A recent study found that releasing rehabilitated Golden Eagles can be an effective means of compensating for eagle deaths due to human actions. However, the study revealed that only a few rehabilitated eagles survive and integrate into the wild population, raising questions about the long-term efficacy of rehabilitation efforts.

SourceRaptor Research Foundation·JournalJournal of Raptor Research·TypeData/statistical analysis·DateDec 2, 2025

Captive male Asian elephants can live together peacefully and with little stress, if introduced slowly and carefully, per Laos case study of 8 unrelated males

A recent study in a semi-captive facility in Lao PDR showed that male Asian elephants can coexist peacefully if introduced slowly. The research with 8 unrelated males demonstrated successful socialization without significant stress, providing new insights into elephant behavior and social interaction.

SourcePLOS·JournalPLOS One·DateNov 26, 2025

The growing crisis of chronic disease in animals

A new study introduces a conceptual model for improving animal disease surveillance, highlighting the link between genetic predisposition and environmental exposures. The findings show that human-driven ecological change exacerbates chronic diseases in animals, such as obesity and cancer, with potential implications for human health.

SourceSociety for Risk Analysis·JournalRisk Analysis·DateNov 11, 2025

‘Forever’ chemicals found in B.C. sea otters

Researchers at the University of British Columbia have identified eight per- and polyfluoroalkyl substances (PFAS) in B.C. sea otters, with concentrations three times higher on average in otters near major cities and shipping routes. This proximity effect highlights the need for government regulation to prevent PFAS spread.

SourceUniversity of British Columbia·JournalEnvironmental Toxicology and Chemistry·DateNov 5, 2025

Chemistry: The key to civet coffee is in the chemistry

Researchers analyzed faecal matter samples from civets eating ripe coffee berries, finding significantly higher levels of fats and key flavour-enhancing compounds in the resulting civet coffee beans. These chemical differences are believed to affect the coffee's final flavour profile.

SourceScientific Reports·JournalScientific Reports·TypeExperimental study·DateOct 23, 2025

Do elephants know when we're looking at them?

A study by researchers at Kyoto University found that Asian elephants understand the importance of visual attention for effective communication. The elephants gestured most when both the experimenter's body and face were oriented towards them, suggesting they use a combination of cues to recognize human visual attention.

SourceKyoto University·JournalScientific Reports·TypeObservational study·DateOct 2, 2025

Study first to show if nesting heat affects sea turtle hatchling ‘IQ’

A new study by Florida Atlantic University researchers found that heat does not significantly affect the cognitive ability of sea turtle hatchlings. However, higher incubation temperatures negatively impact their physical traits, including shorter incubation durations, lower hatching success, and more frequent scute anomalies. The stud...

SourceFlorida Atlantic University·JournalEndangered Species Research·TypeObservational study·DateSep 30, 2025

Adapting to a seasonal diet

A year-long study on Japanese macaques found that their gut microbiome composition and fermentative ability adjust seasonally to improve digestive efficiency. The study reveals that mature leaf consumption boosts the fermentative ability of the gut microbiome, helping monkeys handle chemically defended foods during harsh winters.

SourceKyoto University·JournalEcology and Evolution·TypeObservational study·DateSep 25, 2025

Koala stress linked to disease threat

Researchers have found a clear relationship between koala stress and increased risk of disease, including Chlamydia. The study suggests that high KoRV loads may be weakening the immune system, making koalas more susceptible to diseases such as blindness and infertility.

SourceUniversity of Queensland·JournalJournal of General Virology·TypeObservational study·DateSep 22, 2025

California's dwarf Channel Island foxes mostly have relatively bigger brains than their larger mainland gray fox cousins, which may reflect island-specific evolutionary pressures

Dwarf Channel Island foxes (Urocyon littoralis) have larger brains than their mainland gray fox counterparts, contradicting the notion of island-specific evolutionary pressures leading to reduced brain size. This finding suggests little evidence of domestication in these isolated California islands.

SourcePLOS·JournalPLOS One·DateAug 20, 2025

UCF researcher helps confirm genetic restoration success for Florida panthers

A recent study co-authored by UCF Assistant Professor of Biology Robert Fitak reveals that the 1990s translocation of Texas pumas improved the Florida panther's genetic health while preserving its unique ancestry. The study found increased genetic variation, retention of unique traits, and a decrease in harmful mutations.

SourceUniversity of Central Florida·JournalProceedings of the National Academy of Sciences·DateAug 20, 2025