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Going, Going, Gone: Is Animal Migration Disappearing
Most of the migrants are in little immediate danger of extinction; rather, they are becoming less and less common. [...]birdwatchers can still see all of the species of migratory songbirds they seek each spring; they simply have to work harder to do so. There may be a few places along its migratory route where numbers of cerulean warblers can be found, but the majority of birds probably move in a rather diffuse wave between the two continents. [...]it is unrealistic to imagine that any discrete set of migratory reserves will work for this species.
Journal Article
Examining park users' support for emerald ash borer (Agrilus planipennis) control in urban parks
Emerald ash borer (Agrilus planipennis Fairmare; EAB) is a woodboring beetle that is considered one of the most damaging invasive forest insects in North America, causing near‐complete mortality of native ash (Fraxinus spp.) trees across multiple states. Management options include both biological control using parasitoid wasps from EAB's native range, and chemical control with systemic insecticides. Although both strategies are being used to control EAB, the public's support for these methods is not well understood. In 2023, we surveyed 174 urban park users in northeastern Georgia, United States, to identify determinants of their support for EAB control. Most respondents were not previously aware of EAB and ash trees, although they valued the ecosystem services provided by park trees. Respondents were more supportive of biological control than chemical control, perceiving greater ecological and human well‐being risks from chemical control. Respondents' risk perceptions pertaining to control methods and EAB, and their attitudes towards ash trees influenced their support for EAB control. Birdwatchers were less likely to support chemical control and individuals who like to sit and enjoy nature were more likely to support biological control. Our results suggest that park managers' outreach about EAB control should emphasize the aesthetic appeal and ecosystem services provided by urban ash trees and the invasion impacts of EAB. Outreach should also highlight that EAB control does not pose ecological or human well‐being risks, that parasitoid wasps help to secure ecosystem function through pest control and do not pose a risk to people, and that EAB control will not adversely impact recreational activities within the park. In 2023, we surveyed 174 urban park users in northeastern Georgia, United States, to identify determinants of their support for emerald ash borer (EAB) control using parasitoid wasps (biological control) and systemic insecticides (chemical control). Respondents were more supportive of biological control than chemical control, perceiving greater ecological and human well‐being risks from chemical control. Respondents' risk perceptions pertaining to control methods and EAB, their attitudes towards ash trees, and their recreational activities in parks influenced their support for EAB control.
Journal Article
Chikungunya, Zika, Mayaro, and Equine Encephalitis virus detection in adult Culicinae from South Central Mato Grosso, Brazil, during the rainy season of 2018
Introduction
Several arboviruses causing human disease have been reported in Brazil. In nature, arboviruses maintain a lifecycle involving vertebrates and vectors, which may contribute for periodical reemergence of those of public health concern in tropical regions, as Mato Grosso State (MT). In this study, we searched for arboviruses in mosquito body pools sampled during the rainy season of 2018 in 21 bird watching points of Cuiabá and Varzea Grande, South Central MT.
Methods
In total, 2873 (57%) males and 2167 (43%) females belonging to six urban and sylvatic mosquito genera allocated to 398 pools were subjected to RNA extraction and RT-PCR for arboviruses. Positive pools were subjected to virus isolation in C6/36 cells.
Results
A total of 102/398 pools, 66/233 (29.6%) of females, and 36/165 (21.8%) of males, mostly sampled in May (31/102), were positive for arboviruses. Chikungunya virus (CHIKV) was distributed in 19 points, Zika virus (ZIKV) was found in 14 points, Mayaro virus (MAYV) in 10 points, and East Equine encephalitis virus (EEEV) in three points.
Culex quinquefasciatus
pools (39/89 of females and 24/99 of males) were positive for CHIKV, ZIKV, and MAYV;
Aedes (Stg) aegypti
pools (11/46 of females and 12/33 of males) for CHIKV, ZIKV, MAYV, and EEEV;
Aedes albopictus
female pools (8/29) for CHIKV, ZIKV, and EEEV; and
Psorophora albigenu
(2/12) and
Psorophora ferox
female pools (4/16) for CHIKV.
Conclusions
Arbovirus molecular detection in mosquito populations varies considerable between geographical regions and epidemics, influenced by genetic characteristics and microbiome interference on virus replication. Although infected females are responsible for the transmission to vertebrates during bloodfeeding, male infection by CHIKV, ZIKV, and MAYV resultant from vertical route could lead to interepidemic maintenance of these arboviruses in their natural reservoirs.
Journal Article
The crossley ID guide
This stunningly illustrated book from acclaimed birder and photographer Richard Crossley revolutionizes field guide design by providing the first real-life approach to identification. Whether you are a beginner, expert, or anywhere in between,The Crossley ID Guidewill vastly improve your ability to identify birds.
Unlike other guides, which provide isolated individual photographs or illustrations, this is the first book to feature large, lifelike scenes for each species. These scenes--640 in all--are composed from more than 10,000 of the author's images showing birds in a wide range of views--near and far, from different angles, in various plumages and behaviors, including flight, and in the habitat in which they live. These beautiful compositions show how a bird's appearance changes with distance, and give equal emphasis to characteristics experts use to identify birds: size, structure and shape, behavior, probability, and color. This is the first book to convey all of these features visually--in a single image--and to reinforce them with accurate, concise text. Each scene provides a wealth of detailed visual information that invites and rewards careful study, but the most important identification features can be grasped instantly by anyone.
By making identification easier, more accurate, and more fun than ever before,The Crossley ID Guidewill completely redefine how its users look at birds. Essential for all birders, it also promises to make new birders of many people who have despaired of using traditional guides.
Revolutionary. This book changes field guide design to make you a better birderA picture says a thousand words. The most comprehensive guide: 640 stunning scenes created from 10,000 of the author's photographsReality birding. Lifelike in-focus scenes show birds in their habitats, from near and far, and in all plumages and behaviorsTeaching and reference. The first book to accurately portray all the key identification characteristics: size, shape, behavior, probability, and colorPractice makes perfect. An interactive learning experience to sharpen and test field identification skillsBird like the experts. The first book to simplify birding and help you understand how to bird like the bestAn interactive website--www.crossleybirds.com--includes expanded captions for the plates and species updates
eBook
Wildlife of Southeast Asia
This handy photographic guide offers a stunning look at the wildlife of Southeast Asia, which includes Burma, Thailand, Laos, Cambodia, Vietnam, West Malaysia, and Singapore. Accessible text and more than 500 color photographs help readers to learn about and identify the most common species found in the region, particularly the mammals, birds, reptiles, amphibians, and insects that visitors will most likely encounter. Detailed photos are accompanied on facing pages by succinct species accounts highlighting key identification features, status, and distribution. The book's brief introduction offers readers useful information on major wildlife sites as well as practical advice on making the most of a wildlife-watching trip. Wildlife of Southeast Asia is the essential resource for visitors and residents interested in the fauna of this fascinating area of the world. -A photographic guide to the wildlife of Southeast Asia, including Burma, Thailand, Laos, Cambodia, Vietnam, West Malaysia, and Singapore -More than 500 stunning color photographs -Accessible species accounts highlight key identification features, status, and distribution -A brief introduction discusses wildlife locations and practical travel know-how Susan Myers has led specialist birding tours in the Asian and Australasian region for more than fifteen years. She now works with WINGS Birding Tours, based in Arizona. Myers is the author of Birds of Borneo (Princeton).
eBook
The Beauty of Birds
Spring returns and with it the birds. But it also brings throngs of birders who emerge, binoculars in hand, to catch a glimpse of a rare or previously unseen species or to simply lay eyes on a particularly fine specimen of a familiar type. In a delightful meditation that unexpectedly ranges from the Volga Delta to Central Park and from Charles Dickens's Hard Times to a 1940s London burlesque show, Jeremy Mynott ponders what makes birds so beautiful and alluring to so many people.
Princeton Shorts are brief selections taken from influential Princeton University Press books and produced exclusively in ebook format. Providing unmatched insight into important contemporary issues or timeless passages from classic works of the past, Princeton Shorts enable you to be an instant expert in a world where information is everywhere but quality is at a premium.
eBook
Wildlife of the Caribbean
This is the first comprehensive illustrated guide to the natural world of the Caribbean islands. It contains 600 vivid color images featuring 451 species of plants, birds, mammals, fish, seashells, and much more. While the guide primarily looks at the most conspicuous and widespread species among the islands, it also includes rarely seen creatures-such as the Rhinoceros Iguana and Cuban Solenodon-giving readers a special sense of the region's diverse wildlife.
Each species is represented by one or more color photos or illustrations; details regarding its identification, status, and distribution; and interesting aspects of its life history or relationship to humans. In addition, an introductory section focuses on the unique characteristics of the Caribbean's fauna and flora, the threats faced by both, and some of the steps being taken to sustain the area's extraordinary natural heritage.
Wildlife of the Caribbeanis the essential field guide for learning about the living wonders in this area of the world.
The only guide of its kind for the Caribbean islands600 detailed color images feature 451 amazing speciesStraightforward descriptions suitable for general audienceCompact size makes the guide easy to carry
eBook
I Met a Man Who Has Seen the Ivory-billed Woodpecker, and This Is What He Told Me
For a long time, he had to sit on a log and not say anything. He played the image of the bird over and over and over in his mind. It was too great a thing to comprehend-that he was there, and the bird was there, and he and the bird were breathing the same air. After the descriptions and illustrations by Catesby, Audubon, and Wilson; and after the photos and films from the Louisiana swamps in the 1940s; and after the late but extensive Tanner scholarship about life history and habitat; and after Peterson's passion and despair; and after the fleeting white of new video and all the talk about the ghost bird and the grail bird and the Lord God bird; and after his dead father's lifetime of desire and his own matching but far-fetched desire and all the desire of the world; after all that, the ivory-billed woodpecker was still more than a person could imagine. It was as beautiful and as perfect as only it itself, its living being, could be.
Journal Article