How Do Birds Know When to Migrate?
Lengthening days set off a cascade of events in migratory birds that culminates in the birth of a clutch of chicks.....»»
The science of why hawks are one of nature"s deadliest hunters
The sight of hundreds of thousands of bats streaming from their roost at dusk is one of nature's great spectacles. Swarms can be so dense they resemble rising smoke at a distance. But the aerial antics of the birds of prey that hunt them are just as.....»»
Host-generalist mistletoe exhibits high level of outcrossing
Mistletoes are a group of aerial semi-parasitic plants that provide valuable food resources and nesting sites for many vertebrates, mainly birds. Previous studies reported that Dendrophthoe pentandra, a mistletoe with a broad host-plant range, exhibi.....»»
Gray whale numbers continue decline; NOAA fisheries will continue monitoring
Gray whales that migrate along the West Coast of North America continued to decline in number over the last 2 years, according to a new NOAA Fisheries assessment. The population is now down 38 percent from its peak in 2015 and 2016, as researchers pr.....»»
Creating "political economy of hope" at Pakistan-India border
Pakistani nationals of the Hindu faith migrate to India based on religion, caste, culture and history—and lately Indian government officials all the way up to the prime minister have been encouraging them to "return," according to Natasha Raheja, a.....»»
Magpies, curlews, peregrine falcons: How birds adapt to our cities, bringing wonder and joy and conflict
For all the vastness of our Outback and bush, most Australians live in urban areas. In cities, we live within an orderly landscape, molded and manufactured by us to suit our needs. But other species also live in this modified environment......»»
"Sad and distressing": Massive numbers of bird deaths in Australian heat waves reveal a profound loss is looming
Heat waves linked to climate change have already led to mass deaths of birds and other wildlife around the world. To stem the loss of biodiversity as the climate warms, we need to better understand how birds respond......»»
Study finds less bird diversity in city forests
A new study led by Lund University in Sweden shows that cities negatively affect the diversity of birds. There are significantly fewer bird species in urban forests compared with forests in the countryside—even if the forest areas are of the same q.....»»
Spanish vultures released in Cyprus to replenish population
Some 15 Griffon vultures from Spain have been released into the wild in Cyprus to help revive the island population that's dropped to just 8-10 birds because of deliberate poisoning, conservationists said Wednesday......»»
Half world"s birds in decline, species moving "ever faster" to extinction
Almost half of all bird species are in decline globally and one in eight are threatened with extinction, according to a major new report warning that human actions are driving more species to the brink and nature is "in trouble"......»»
Fitbit owners will need to use a Google account by 2025
Google will start requiring owners of Fitbit wearable devices to migrate over from a Fitbit account to a Google account, with the switch potentially becoming mandatory by early 2025.Long before and following the completion of the $2.1 billion acquisi.....»»
Monarch butterflies tagged with stickers in Chicago garden as they migrate south
Near the driving range in Chicago's Lakeview area, a faint but sweet smell floats in the air. One can follow it to a collection of beds where flowers sprout, surrounding a community garden in which vegetables and herbs grow......»»
Predicting migration pathways of mule deer without GPS collars
How do researchers understand where big-game animals migrate across vast landscapes each spring and fall? That is the question asked by biologists from the University of Wyoming and Idaho Department of Fish and Game in a study published in the journa.....»»
Earth harbours 20,000,000,000,000,000 ants. And they weigh more than wild birds and mammals combined
Have you ever wondered exactly how many ants live on Earth? Possibly not, but it's certainly a question we've asked ourselves......»»
Cockatoos Work to Outsmart Humans in Escalating Garbage Bin Wars
An innovation arms race may rage between birds and humans on the suburban streets of southeastern Australia .....»»
Beyond sound: Red-eyed treefrogs use sound and vibration in calls for mates and aggression
One would be hard-pressed to take a walk outside without hearing the sounds of calling animals. During the day, birds chatter back and forth, and as night falls, frogs and insects call to defend territories and to attract potential mates. For several.....»»
Swimmer"s Itch: What causes this neglected snail-borne disease?
Cercarial dermatitis, also known as swimmer's itch or clam-digger's itch, is caused by the larvae of blood flukes that are parasites of birds or mammals. When these larvae, called cercariae, penetrate human skin, they trigger an allergic reaction wit.....»»
Research team confirms icy conditions existed in South Pole region during Late Cretaceous period
Let's pretend it's the Late Cretaceous, roughly 66 to 100 million years ago. We've got dinosaurs roaming the land and odd-looking early species of birds, although the shark as we know it is already swimming in the prehistoric oceans—which cover 82%.....»»
Contact between wild birds and backyard chickens is risky
Wild birds come into contact with backyard chicken flocks more frequently than people realize, creating a pathway for pathogens to transmit back and forth, according to new research from the University of Georgia. Such pathways increase the risk for.....»»
This spider-eating, nest-sharing bat was once safe from fire, until the Black Summer burned its rainforests
Golden-tipped bats are peculiar creatures. By night, they hunt the understory for orb-weaving spiders, plucking them carefully from their sticky webs. By day, they roost in excavated basements at the bottom of nests made by two rainforest birds......»»
Look up this spring and you might see little ravens build soft, cozy nests from your garden trees
Spring is nearing and birds will soon start nesting in trees in backyards across Australia. The trees in our garden are now 40 years old—not old by tree standards, but old enough to be among the tallest in our suburb, offering refuge for local nati.....»»