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In Daurian Redstarts , personality traits (specifically, whether a bird is shy or bold) partly determine how good an individual is in rejecting cuckoo eggs in its nest. Apparently, birds that are fast in exploring new things – bold birds – are better at rejecting parasitic eggs ( source ).
As a Northeast birder I am familiar with the alarming decrease in the number of Red Knots along Atlantic shores and have signed petitions and written e-mails calling for legislation and rules that will limit the overharvesting of the horseshoe crab, whose eggs Red Knots depend on. million in the late 1990’s. Should the gulls be controlled?
And of eggs and nests and birds on nests. She does, and her narrative serves as a role model for how to write about birds simply and knowledgeably; informing birds’ family stories with scientific facts and research findings. Cedar Waxwings exchange berries, carry nesting material, eggs. And of birds courting and mating.
Barker, and Carroll Henderson is a well-researched, copiously illustrated, engaging study of bird feeding practices, personalities, inventions marketing, and companies that developed in the United States from the late 19th century to the present day, with a little bit of Canada, Europe, and South America thrown in. Baicich, Margaret A.
A logical and outstanding successor to The Genius of Birds (2016), Ackerman’s award-winning book about bird cognition, The Bird Way explores the diversity of bird behavior, the norm and the extremes, with an emphasis on cutting-edge research and findings that explode assumptions. It’s fascinating stuff.
Signaling theory comes up frequently in bird literature (one example I can think of off-hand is Nick Davies’ Cuckoo: Cheating by Nature, Bloomsbury, 2015), but if you’re not familiar with its basic ideas you must read the Introduction. I do wish there was more about research on female bird song. And, that’s it.
A few families have a small number of eggs in the clutches, like gulls or cormorants. Others, like the petrels and some of the auks, will lay a single egg per breeding attempt. Others invest much more effort into fewer young, giving a smaller number a much better start. Seabirds are one group of birds that go for the latter strategy.
They may be about bird eggs ( The Most Perfect Thing: The Inside (and Outside) of a Bird’s Egg , 2016), or a 17th-century ornithologist ( Virtuoso by Nature: The Scientific Worlds of Francis Willughby, 2016), or How Bullfinches learn songs from humans ( The Wisdom of Birds: An Illustrated History of Ornithology. Beagle , pt.
Penguins are cartoons, emoticons, animated films, children’s books (though owls really take first place here), sports teams, a book publisher, and a Batman villain (a rare example of penguin negativity, though Burgess Meredith did bring an endearing attitude to his 1960’s TV portrayal). Press, 2011).
As you can easily judge from the dullness of this information, it is not something I made up but rather an appalling example of nepotism in the naming of birds. The breeding ecology of the Yellow-bellied Warbler was actually studied exactly here at Nonggang in 2019 by 3 Chinese researchers. Sir James McGrigor (1771-1858) Director Gen.
This laughingthrush is a cooperative breeder – nestlings are fed by all members of a group, often 6-12 (not just 2 as in Wham!): “A female may share a nest with another, and 3 or more adults may take turns incubating the eggs and feeding the chicks.” ” ( source ).
They have special adaptations to stay warm and to keep their eggs and chicks warm. One part of this question can be answered with some very interesting recent research. Penguins are flightless, but some species locomote over long distances on antarctic ice to travel between breeding grounds and the sea.
For example, in the Delaware Bay, warming coastal waters can cause horseshoe crabs to lay their eggs earlier than normal; conversely, more intense and frequent coastal storms can cause late spawning. In both cases, knots, which feed on the crabs’ eggs, can miss their peak refueling opportunity.
An impressive combination of research and artwork, combined with a pragmatic organization aimed towards quick identification, and education, Baby Bird Identification extends the frontiers of bird identification guides and is an important contribution to wildlife rehabilitation literature. and three of the nine woodpeckers illustrated.
Or, Pygmy leaf-folding frogs, Afrixalus brachycnemis, from Tanzania, tiny climbing frogs who lay their eggs in leaves and then fold the leaves over them for protection, sealing the nest with secretions. The male and female position themselves close to each other, on top or in back, so that the eggs are fertilized as the female releases them.
For birders, it’s the extremely large book, shelved in a place where it can’t crush the field guides, used to research the history of a bird in their area. Pileated Woodpecker, for example. For example, how does an observer actually determine if a bird is breeding in a specific area?
For example, why is it so hard for our family members and co-workers – many of whom have companion animals that they love – to cut cruelty from their diets and go vegan? And why do so many people say the oppose the cruel practices of factory farming, yet still eat meat, eggs and dairy products? In the author's words.
They breed in dense colonies, incubate their single egg on the feet, and take more than a year to fledge a chick. The length of each bird species account varies, depending on whether the bird is native or a “visitor” (the book’s term for migrant) or vagrant, breeding or non breeding.
According to the HBW, when breeding, male birds do most of the incubation and parenting while females often leave the nest up to one week before the eggs hatch. According to Couzens, after laying the eggs, females sometimes immediately abandon their first mate and pair up with another male. But maybe that is actually a good thing.
This is the story of Fox’s experiences on board the Achiever, the research vessel of the Raincoast Conservation Foundation. It’s a small group of 10 to 12 researchers and crew members, and Fox is the sole person responsible for the bird surveys. Northern Fulmar, image courtesy of Peter Hodum.
I will use myself as an example. I mention these trips because, along with other trips and experiences closer to home, they inform my research into my future birding travel. For example, not much can beat the experience of seeing a Bald Eagle scare up thousands of Snow Geese at Sacramento NWR.
As we know from the French documentary La Marche de l’Empereur ( March of the Penguins) , the females skedaddle from the breeding colony once she produces an egg, leaving the egg to be incubated by the males, who fast for 120 days while keeping the egg in a flap of their feet. (I
These fossils are seen as proof that some dinosaurs brooded over its eggs. And, he places current research within a framework of paleontological history of intrigue, backstabbing, and name-calling feuds. (No, Like birds. Don’t let the university press imprint deceive you.
It even seems that the pliant researchers indirectly support the fighting (even though it has led to the species being one of the most hunted ones in that province) by developing a quick method to identify the sex of the bird (the males turn out to be somewhat bigger and thus presumably the more coveted fighters). Shame on the researchers.
He also believes that we are living in an era of incredible scientific research, one in which new genetic technology and findings from diverse scientific disciplines have turned assumptions upside down, opened up new lines of thought, and provided answers, or at least probable answers, to many of our questions about why birds do the things they do.
Birders are always happy to see a turtle or tortoise, and there are times of the year when my social media feeds are sprinkled with photos of turtles beings removed from roads or crawling to land to lay eggs. It was fun to see both Yertle the Turtle and Teenage Mutant Ninja Turtles cited as examples of cultural imagery.
These run the range from birds like Barnacle Goose and Little Egret, which are rare but do show up in North America every few years (actually, lately it’s been every year) to birds whose sightings in North America are so few that they’re legendary–Western Reef-Heron and Corn Crake are two examples. This is not unusual.
Unfortunately, this woodpecker seems to be even less researched than the previous one. Research required to determine its feeding ecology and breeding biology.” ” And why not. The same observation also proved a possible life span of this species of at least 14 years. ” “Habits not well known.”
Once the egg has been laid, the female is chased away and the males hatch it.” On the other hand, given China’s low birth rate, they might serve as an example for the future.
And, in a very lovely section in the middle of the book, she describes the life cycle of the cahow, informing evocative passages about their nocturnal courtship and flight with recent research findings about how seabirds are able to function—eat, sleep, navigate home.
Here is an example: I think I saw a Red-tailed Pennant, Brachymesia Furcata, two weeks ago in the Florida Keys; that’s my photo above. Common and differing traits will include type of coloring, thorax patterning, how they perch or fly, how they copulate, and how they oviposit, lay eggs. With odonates, there are always exceptions!
I guess most scientists would love to see their original research become the basis for a vast field of further studies. She also laid eggs in Melba Finch nests. According to a local African superstition that I just made up, it is not harmful to eat toxically colored birds if you eat them in the dark. Red-billed Firefinch.
A little bit of research when I got home unraveled the ways of publishers here and in Great Britain. The accounts aim for specificity and authority; dates and locations of rarity sightings are given, and research articles on nesting and behavior are cited. How could I, the librarian, end up with an outdated field guide?
I also want people to know that our understanding of birds’ mating habits are constantly changing and evolving…there is still a lot of research to be done here, and we will be learning a lot more in the years to come. After laying eggs, they have little to do with the upbringing of their chicks, leaving the male to handle things.
For example , fallen figs do not seem to mind catching a ride with Oriental Pied Hornbills. There are some reports of the species having bred in captivity, for example, in a British Wild Life Park. To avoid quarrels about different education styles, each adult attends a separate chick after fledging (source: HBW).
Here’s some data from the famous research project of Manu, Peru, giving biomass in kilograms per hectare. There are probably other major trends that depend, for example, on latitude and timing. But if you look at a bit of prairie in South Dakota during the dead of winter, you may see very few birds and a lot of bison.
In addition to Savannah Sparrow, for example, there are species accounts for Large-billed, Belding, San Benito, and Ipswich Sparrow. Alexander Wilson, for example, is credited with the first scientific description of Song Sparrow in 1810. For example, Wright doesn’t just say that Abert’s Towhee can be found in Utah.
Falcons follow hawks in the book, for example, while falcons follow hoopoes in the 2015 IOC World Bird List, and I think most of us (I’m looking at you, Jochen) will agree that the guide’s arrangement makes sense intuitively and pragmatically, if not taxonomically. And, there are many.
If you aim to achieve some kind of immortality, you might do worse than follow the example of Oana Mirela Chachula, a biologist at the National Museum of Romanian History, Romania. Maybe doing ornithological research was just his way of compensation. Strangely, there is not much research on the Blue Whistling Thrush.
The team explored Nevada and Utah, with Ridgway collecting thousands of bird specimen, plus nests and eggs for the Smithsonian. By the age of 16, thanks to Baird, Ridgway was part of the team of the Fortieth Parallel Survey, one of the great surveys of the western frontier.
The chapter on Martha, for example, just shows a close-up of her stuff body–not the whole body, the torso and tail–against an almost-black background. How many eggs did a pigeon lay? The imaginary scenario is clearly taken from eyewitness accounts, but sources are not footnoted. Can I say that this is a beautiful book?
To research this book, he traveled extensively to see as many woodpeckers as he could; this field experience was supplemented with museum research and consultations with other experts, plus a library of print material ranging from field guides to scientific papers. The taxonomy is tricky, as Gorman notes in the introduction.
So, for example, there was ample warning of the danger of snow. The disadvantage is that this is not a typical parrotbill at all – it is a bit like the old joke of searching for your keys not where you lost them, but where there is plenty of light to facilitate the research.
Chinese researchers have actually been able to identify individual Asian Stubtails on the basis of their songs ( source ). It seems that a lot of ornithological research is based on thinking about what makes sense from an evolutionary standpoint, and then checking whether this actually the case.
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