Paleontologists used carbon-dating to analyze over 7,500 fossils, revealing how sediment accumulation rates affect the preservation of fossils. By understanding these rates, researchers can determine the age of a fossil assemblage and extract valuable data from it.
The Colobura butterfly was previously believed to be a single species, but recent discoveries have confirmed the existence of three distinct species. Despite their similar appearance, each species exhibits unique characteristics, such as differences in caterpillar markings and gray band patterns on forewings.
A recent study maps the evolutionary history of hawkmoths, revealing a co-evolutionary arms race between these insects and flowers. The relationship leads to a cycle of nectar spur lengthening and proboscis evolution, with some species developing long tongues to feed on specific orchids.
A free self-efficacy survey has been developed for informal science educators, aiming to fill the gap in evaluation systems that leave them struggling to improve. The survey assesses pedagogical success using widely used measurements and provides a way for educators to identify areas needing support.
Global warming poses a significant threat to rice production, which has historically been heat-loving but is now facing its limits. Rice can tolerate temperatures below 82°F and 104°F, but rising temperatures will accelerate beyond these thresholds.
Scientists have found that African frogs' diversity is linked to historical climate conditions, indicating they adapted to changing environments. The study suggests that even after 12,000 years, tropical frogs still remember the impact of past ice ages on their habitats.
A team of researchers, led by Felicity Newell, tracked over 8,000 birds in Peru's cloud forests and found that breeding times vary significantly due to changing environmental conditions. The results suggest a more complex response to climate change than previously thought.
A new study finds that contributions from casual and highly active citizen scientists are equally valuable, with each group complementing the other. The research, led by Erin Grady, analyzed millions of observations on iNaturalist and found that both groups contribute to balancing biases in data collection.
Researchers shed light on moths & butterflies' evolution, conservation needs, and diverse feeding habits. Discoveries suggest that these insects obtained plant-digesting abilities from fungi, while mandibled moths were once more diverse but largely extinct.
A new study finds that fewer than 250 fossils are required to train an image-based AI algorithm, a significant improvement on previously thought numbers. The discovery could greatly speed up the identification process in vertebrate paleontology, where most fossils are fragmented and difficult to analyze.
After the pandemic, most museums continued offering online programs, with a focus on school programs for K-12 students. The shift was driven by partnerships between museums and public schools in need of digital content.
In 2025, global unprovoked shark bites returned to near-average levels, with a significant decrease in the United States. The country accounted for 38% of worldwide incidents, down from over 50% in recent years. Australia followed closely, with 32% of global bites and 56% of fatalities.
Scientists discovered a significant portion of plant diversity on Hispaniola originated from eastern Cuba, tracing back to 1.6 million-year-old bird dispersal events. The findings highlight the importance of birds as primary seed dispersers in this biodiversity hotspot, which faces extensive habitat loss.
A new study in Systematic Entomology reveals that evasive butterfly mimicry in the genus Adelpha may be a rare and overlooked type of mimicry. The researchers found that Adelpha butterflies use speed and unpredictability as a defense mechanism, making them difficult to catch for birds and other predators.
Researchers found thousands of hutia fossils in a Caribbean cave, including nests made from compacted soil and coated with a waxy substance. The discovery provides evidence of the presence of bees in the area thousands of years ago, challenging initial findings on wasp nests.
Most museum staff support behind-the-scenes tours to educate the public about their work and promote biodiversity. The tours can help improve teaching and public speaking skills, while also fostering a sense of reciprocity and responsibility among staff.
The Florida Museum of Natural History has published 'The Butterflies of California' after five decades of work by brothers Thomas and John Emmel. The book, which clocks in at 854 pages, explores the diversity and life histories of butterflies in western North America.
Chameleons have two long, coiled optic nerves that enable their remarkable ability to look in two different directions at once. Researchers used CT scanning technology to visualize the hidden structure, revealing a unique trait not seen in any other lizard.
Scientists study ancient oyster populations to guide present-day restoration efforts. By analyzing shell size and breakage, researchers can interpret how intensively communities harvested oysters, shedding light on the challenges of rebuilding depleted reef ecosystems.
Researchers found that bean plants and other species evolved a predisposition for the symbiosis at least three times, supporting a long-standing theory. This biological trick allows plants to access atmospheric nitrogen, boosting crop yields.
Researchers have created a statistical model using 20 years' worth of sentinel chicken data to predict elevated West Nile virus activity up to six months in advance. This breakthrough could lead to proactive preventative measures and improve disease outbreak response.
Researchers have developed a method to reconstruct functional diversity of past ecosystems from fossils, enabling conservationists to compare healthy ecosystems with modern counterparts that have been altered by humans. This information can be used to set restoration and protection goals for endangered species.
A new study demonstrates that microscopic differences in iron can be spotted using X-ray fluorescence spectrometry, allowing archaeologists to identify the origin of Spanish iron objects. This technique follows a quiet revolution in southeast archaeology, where metal detectors have been adopted for large-scale survey work.
Despite using a large genetic dataset, scientists were unable to find a definitive explanation for the formation of distinct great white shark populations in the southern Indo-Pacific Ocean. A study published in Proceedings of the National Academy of Sciences suggests that genetic divergence began around 7,000 years ago.
A new study sequenced the genomes of glasswing butterflies, revealing six previously unrecognized species and shedding light on their rapid diversification. The research also showed that these butterflies use chemical communication to recognize each other, despite their similar appearances.
A recent study sheds light on the diverse species of soft corals, which were previously difficult to identify due to their variable sclerites. The researchers sequenced DNA from over 4,400 specimens and found that soft corals are more diverse than initially thought, with new discoveries made in regions previously unexplored.
A recent study documents the discovery of over 100 new ribbon worm species off Oman's coast, highlighting a significant underestimation of global marine biodiversity. The finding underscores the importance of exploring lesser-studied regions, such as the tropics, to uncover the full extent of oceanic diversity.
A new study examines the self-efficacy of informal educators in leading youth civic engagement projects. The research found that despite an initial increase in confidence, many educators reported a decrease in self-efficacy after participating in professional development initiatives aimed at addressing environmental issues.
Scientists analyzed ancient DNA, fossil shape, and habitat data to determine the factors influencing the size of extinct giant ground sloths. The result shows that size differences among sloths have been primarily influenced by the types of habitats they lived in and climate change.
A new study published in Marine Ecology Progress Series reveals that seagrass ecosystems along Florida's Nature Coast have remained relatively healthy over the last several thousand years. The research, conducted by conservation paleobiologists, used fossilized mollusk shells to infer ecosystem health and found that these communities a...
A recent study on plant beetleweed reveals that it can have multiple chromosome complements, known as cytotypes, which previously were thought to be mutually exclusive. This finding challenges the notion that different species with distinct chromosome numbers cannot coexist.
A team of scientists has discovered a prehistoric tegu fossil in the US, revealing that these charismatic lizards were once native to North America. The fossil, dated to the Middle Miocene Climatic Optimum, is believed to have been present in present-day Georgia during a warm period, before global temperatures cooled and they disappeared.
The PteridoPortal is an online repository of fern and lycophyte information, allowing researchers to access digitized specimens from 35 herbarium collections. This project has significantly impacted biodiversity research, enabling scientists to inventory species in Colombia and other countries.
A research team discovered fossilized teeth and vertebrae in the Dominican Republic, confirming that large, terrestrial predators like sebecids once inhabited the Caribbean. This finding supports the GAARlandia hypothesis, suggesting temporary land bridges allowed animals to travel between South America and the Caribbean.
Researchers found introduced tree species are picking up speed and decreasing native diversity over time. The study used data from a 120-year-old program to quantify the effects of introduced species on native ecosystems.
Thorny skates exhibit a unique size discrepancy, with small and large varieties coexisting along the North American coast. A new study reveals that COVID-19 restrictions led to an abundance of genetic data, allowing researchers to uncover the secret behind the size difference.
The Cuban blue-headed quail dove is an enigmatic bird species with a perplexing evolutionary history. Its DNA analysis reveals it to be more distinct from other doves than previously thought, dating back at least 50 million years.
A rare underwater fossil bed discovered by collectors in Florida's Big Bend region has preserved a unique window into the past. The site, dating back to the middle Irvingtonian North American land mammal age, offers insights into evolutionary transitions and speciation.
The International Shark Attack File reported only 47 unprovoked shark bites globally in 2024, down from 22 in 2019. Four fatalities occurred last year, with the US having the highest number of unprovoked bites, accounting for 28 incidents.
A decades-long study reveals that the Schaus' swallowtail butterfly in Florida experiences increased populations following strong hurricanes. The butterflies benefit from the clearing of their host plants, allowing for an abundance of food for caterpillars to grow and thrive after storms.
A new study has uncovered a rare plant fossil with unusual flowers, fruits, and stems that does not belong to any living family or genus. The discovery suggests there may be more diversity in the fossil record of flowering plants than previously recognized.
A new study enhances phenology predictions using a 150-year-old dataset, revealing that plant species in the US are flowering three to four weeks earlier. The research used historical observations from a rediscovered 19th-century report to improve forecast accuracy.
A Florida Museum curator was part of an international team that won first place and $5 million in the XPRIZE Rainforest competition. The team developed a monitoring device equipped with lights, audio recorders, cameras, insect traps, and collection reservoirs to survey a 100-hectare test plot of tropical rainforest.
The exhibit featured a live laboratory where paleontologists and volunteers cleaned and prepared specimens from the Montbrook site. Participants were excited to interact with scientists and answer questions about fossils.
The discovery sheds light on early human behavior and diet in India, providing the first direct evidence of humans feeding on large animals. The fossils belong to an extinct genus of elephants called Palaeoloxodon, with only one set of bones found previously.
A new study found that well-managed electric rights-of-way can increase the diversity and abundance of pollinating insects, as well as flowering plants. By mimicking natural disturbances like wildfires, utility crews can create successional habitats that support rare plant communities.
The study found a recent reversal of fortunes in the Adriatic Sea, with populations of marine predators and their prey plummeting and being replaced by a single species. The researchers used seafloor environments to determine interactions between species, showing a decline in biodiversity and excess nutrients.
Researchers at the Florida Museum of Natural History are studying bagworms' unique life cycle and their potential to inform understanding of modern climate change. They'll also analyze fossils from ancient mammal communities affected by rapid warming, as well as use AI to model future disease outbreaks.
Researchers found that moth species with overlapping ranges in the southeastern US have distinct clock genes, including the 'disco' gene. The study reveals how vision evolves when a species switches its pattern of activity, and provides insights into the mechanisms behind species speciation.
Researchers discovered that nodulation evolved in a two-step process, with the basic genetic toolkit developed first and then refined through multiple genetic mutations. This complex circuit breaker-like mechanism suggests that nodulation is not controlled by a single switch.