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The frozen march of emperor penguins
\"Gives readers an up-close look at the great lengths emperor penguins go to in order to raise their young. Includes a concise overview of the species, a table of contents, questions to spark critical thinking, a selected bibliography, sources to guide further research, a phonetic glossary, an index, and an introduction to the author.\" -- From Amazon.com
Book
Emperor penguins
Beginning readers can chill out with one of the coolest creatures around--the emperor penguin. These birds cannot fly, but can stay underwater for almost 20 minutes.
Book
Journeys with emperors : tracking the world's most extreme penguin
\"The 2005 Luc Jacquet documentary March of the Penguins won an Oscar for its depiction of emperor penguins' fifty-kilometer trek over sea ice to their breeding grounds. While such a trek may be common for emperors breeding in colonies around the Antarctic perimeter, it is not the case for the largest colonies in the Ross Sea. To understand emperor penguins here, we must follow them on four critical journeys, each with its own challenges and hazards. In this compelling and accessible book, comparative biologist Jerry Kooyman and writer and fellow Antarctic explorer Jim Mastro offer a detailed explanation of all four journeys. The first person to live in isolation for months to study these remarkable, deep-diving birds, Kooyman presents new stories and scientific descriptions with never-before-seen photographs and videos from the very edge. Kooyman has spent over two decades voyaging to the Antarctic and studying these penguins, and he is known among his fellow researchers at the Scripps Institution of Oceanography as \"the penguin guy.\" With this book, readers will have a chance to explore alongside Kooyman and Mastro-and understand in new ways the lives of these remarkable and supremely adapted birds\"-- Provided by publisher.
Book
Weddell seal at Neko Harbour, Antarctic Peninsula
Weddell seals (Leptonychotes weddellii) typically prey on fish, cephalopods, and invertebrates. While other seal species also include penguins as part of their regular diet, such as leopard seals, this behavior seems unusual for Weddell seals. Here, we describe an opportunistic observation of a Weddell seal attacking and killing a Gentoo Penguin (Pygoscelis papua) at Neko Harbour, Antarctic Peninsula. This behavior has rarely been observed and published. Yet, we collected several additional anecdotal observations from various regions around Antarctica, indicating that this behavior might be more common than previously assumed, challenging our current understanding of Weddell seal foraging ecology.
Journal Article
One day on our blue planet : ...in the Antarctic
From breakfast to dinner, dusk to dawn, children will love spending the day with this curious Adâelie penguin chick.
Book
Charming penguins and lepton universality violation in Formula omitted decays
The LHCb experiment has recently presented new results on Lepton Universality Violation (LUV) in [Formula omitted] decays involving [Formula omitted] in the final state, which strengthen the recent evidence of LUV obtained in [Formula omitted] decays and the previous measurements of [Formula omitted]. While LUV observables in the Standard Model are theoretically clean, their predictions in New Physics scenarios are sensitive to the details of the hadronic dynamics, and in particular of the charming penguin contribution. In this work, we show how a conservative treatment of hadronic uncertainties is crucial not only to assess the significance of deviations from the Standard Model but also to obtain a conservative picture of the New Physics responsible for LUV. Adopting a very general parameterization of charming penguins, we find that: (i) current data hint at a sizable [Formula omitted] and helicity dependence of charm loop amplitudes; (ii) conservative NP solutions to B anomalies favour a left-handed or an axial lepton coupling rather than a vector one.
Journal Article
Emperor penguins
\"Spend a year in the life of the emperor penguins, including their journey across frozen Antarctica\"-- Publisher's description.
Book
Fifty-year change in penguin abundance on Elephant Island, South Shetland Islands, Antarctica: results of the 2019–20 census
Elephant Island sits on the front lines of ecological change in the Scotia Arc region, but most of the island has remained unsurveyed for nearly 50 years. As a result, there has been no way to establish whether changes on the island reflect those to the south along the Western Antarctic Peninsula or whether, in contrast, populations have remained stable, as on the more northerly South Sandwich Islands. At the core of the Chinstrap Penguin (Pygoscelis antarcticus) breeding range, at the southern edge of the Macaroni Penguin (Eudyptes chrysolophus) and (very recently) King Penguin (Aptenodytes patagonicus) ranges, at the northern limit of the Adélie Penguin (Pygoscelis adeliae) range, and in an area where Gentoo Penguin (Pygoscelis papua) populations are expanding southward, Elephant Island is situated at a unique ecological crossroads, hosting both sub-Antarctic and Antarctic seabirds, the former of which may be responding favorably to the very same climate changes that imperil the latter. Fortunately, an exhaustive census of the island in 1970–71 provides a rigorous baseline against which to document ecological change. Here, we report on the first complete survey of the island since 1970–71, conducted from January 9–20, 2020. Results indicate a decrease in Chinstrap Penguin populations, a doubling of Gentoo Penguins, a stable number of Macaroni Penguins, continuing occupancy by a few Adélie Penguins, and evidence of King Penguin breeding expansion. Our findings demonstrate that Elephant Island’s seabird community has changed dramatically over the past five decades and that these changes appear to be ongoing.
Journal Article