Swifts and Us: The Life of the Bird that Sleeps in the Sky

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Swifts and Us: The Life of the Bird that Sleeps in the Sky

Swifts and Us: The Life of the Bird that Sleeps in the Sky

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Price: £8.495
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There are approximately 100 species in the Apodidae family worldwide. These are swifts, swiftlets, spinetails and needletails. As well as presenting the author's original research, this book also brings together a review of all current research into the identification and distribution of 96 species of swift worldwide." The swiftlets or cave swiftlets have developed a form of echolocation for navigating through dark cave systems where they roost. [13] One species, the Three-toed swiftlet, has recently been found to use this navigation at night outside its cave roost too. The family name, Apodidae, is derived from the Greek ἄπους ( ápous), meaning "footless", a reference to the small, weak legs of these most aerial of birds. [2] [3] The tradition of depicting swifts without feet continued into the Middle Ages, as seen in the heraldic martlet. Early study of Swifts based on a colony nesting in the tower of the Oxford University Museum of Natural History.

One Midsummer’s Day by Mark Cocker review – soaring with swifts

The book explains the basics of Swift including writing comments, writing and running the first Swift program, Swift syntax, etc. The book will help you to:Udemy: Udemy offers iOS 13 & Swift 5 - The Complete iOS App Development Bootcamp, which is a highly-rated bestselling course with hours of video content walking through everything you need to learn Swift. These are closely related to the treeswifts of the family Hemiprocnidae. There are 4 species of treeswift.

Swift Programming Language (Swift 5.7‪)‬ - Apple Books The Swift Programming Language (Swift 5.7‪)‬ - Apple Books

The Common Swift is an aerial specialist rarely coming to the ground. This means they have been little studied. This book relates the author's time spent studying these special birds between 2006-2011 at a nesting colony where he had unique access. The author has tried to convey information about swifts in a more personal and interesting style than is the case in scientific texts." The Breeding Biology of the Chimney Swift: Chaetura pelagica R.B. Fischer New York State Museum Bulletin, Vol 368 Boersma, P Dee (1982). "Why some birds take so long to hatch". The American Naturalist. 120 (6): 733–750. doi: 10.1086/284027. JSTOR 2461170. S2CID 83600491.

The second edition of this highly acclaimed book has been extensively revised by the author to take account of recent information, most particularly about the neotropical swifts, and several plates have been revised by the artist. Swifts live in perpetual summer. They inhabit the air like nothing else on the planet. They watched the continents shuffle to their present positions and the mammals evolve. They are not ours, though we like to claim them. They defy all our categories and present no passports as they surf the winds across the world. They sleep in the air, their wings controlled by an alert half-brain. Yet for all their adaptability and longevity swifts have recently been added to the UK’s Red List of endangered birds.

Swifts: A Guide to the Swifts and Treeswifts of the World Swifts: A Guide to the Swifts and Treeswifts of the World

I always recommend pairing your book with another learning resource, like an interactive or video course, for maximum absorption. I have some options for you — and some of them are free. Swifts occur on all the continents except Antarctica, but not in the far north, in large deserts, or on many oceanic islands. [14] The swifts of temperate regions are strongly migratory and winter in the tropics. Some species can survive short periods of cold weather by entering torpor, a state similar to hibernation. [13] Hobbs, Joseph J (2004). "Problems in the harvest of edible birds' nests in Sarawak and Sabah, Malaysian Borneo". Biodiversity and Conservation. 13 (12): 2209–2226. doi: 10.1023/b:bioc.0000047905.79709.7f. S2CID 34483704. Swifts live almost entirely in the air. They eat, drink, sleep, mate and gather their nesting materials on the wing, fly thousands of miles across the world, navigating their way around storms, never lighting on tree, cliff or ground, until they return home with the summer. The nest of many species is glued to a vertical surface with saliva, and the genus Aerodramus use only that substance, which is the basis for bird's nest soup. Other swifts select holes and small cavities in walls. [15] The eggs hatch after 19 to 23 days, and the young leave the nest after a further six to eight weeks. Both parents assist in raising the young. [13]

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Swift for Beginners by Boisy G. Pitre accommodates the evolving features of this rapidly adopted language. The book guides you to write Swift code, using Playgrounds to instantly see the results of your work. It gives you a solid grounding in key Swift language concepts including variables, constants, types, arrays, and dictionaries. The Breeding Distribution and Habitats of the Pied Flycatcher (Muscicapa Hypoleuca) in Britain - Bruce Campbell Mastering Swift 5 by Jon Hoffman guides you to explore the key features of Swift 5, easily explained with complete sets of examples. This book will guide you to develop your expertise in the basics of the language and popular features such as concurrency, generics, and memory management. Hasegawa, Masaru; Arai, Emi (12 June 2018). "Convergent evolution of the tradeoff between egg size and tail fork depth in swallows and swifts". Journal of Avian Biology. 49 (8): 1. doi: 10.1111/jav.01684 . Retrieved 12 February 2021. Thankfully, there are people in the UK and across Europe striving to ensure a future for swifts. Their actions and stories are woven into the narrative, demonstrating how change is brought about by passionate, determined individuals, whose actions show that everyone can do something to keep these superb birds screaming through our skies.

Books About Birds: Swifts

del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A.; de Juana, Eduardo (eds.). "Apodidae". Handbook of the Birds of the World Alive. Lynx Edicions . Retrieved 10 September 2013. Dunne, Pete (2006). Pete Dunne's essential field guide companion. Boston: Houghton Mifflin Co. ISBN 978-0-618-23648-0. OCLC 61169710.The wingtip bones of swiftlets are of proportionately greater length than those of most other birds. Changing the angle between the bones of the wingtips and forelimbs allows swifts to alter the shape and area of their wings to increase their efficiency and maneuverability at various speeds. [10] They share with their relatives the hummingbirds a unique ability to rotate their wings from the base, allowing the wing to remain rigid and fully extended and derive power on both the upstroke and downstroke. [11] The downstroke produces both lift and thrust, while the upstroke produces a negative thrust (drag) that is 60% of the thrust generated during the downstrokes, but simultaneously it contributes lift that is also 60% of what is produced during the downstroke. This flight arrangement might benefit the bird's control and maneuverability in the air. [12] A step-by-step approach has been employed in every chapter for ease of understanding. The book discusses the concept of data types, variables, constants, loops, decision making, functions, operators, object-oriented programming features, etc. The contents covered in the book are: Codecademy: To learn Swift for free, I’m a huge advocate of Codecademy, which has a free, interactive beginner course on Swift to help you build muscle memory by writing real code. For more on Codecademy’s premium offerings, see my Codecademy Pro review. Many swifts spend 99% of their time flying, eating and sleeping on the wing, and some never land at all



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