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

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The Breeding Biology of the Chimney Swift: Chaetura pelagica R.B. Fischer New York State Museum Bulletin, Vol 368

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

a b c d Collins, Charles T. (1991). Forshaw, Joseph (ed.). Encyclopaedia of Animals: Birds. London: Merehurst Press. pp.134–136. ISBN 1-85391-186-0. 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]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. Swiftlets of Borneo: Builders of Edible Nests Lim Chan Koon and Earl Of Cranbroom Natural History Publications (Borneo) The Breeding Distribution and Habitats of the Pied Flycatcher (Muscicapa Hypoleuca) in Britain - Bruce Campbell

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

Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. ISBN 978-1-4081-2501-4.Swift in Depth by Tjeerd in 't Veen guides you concept by concept through the skills you need to build professional software for Apple platforms, such as iOS and Mac, and on the server with Linux. The book teaches you through numerous concrete examples, enlightening explanations, and engaging exercises. You'll learn powerful techniques like generics, efficient error handling, protocol-oriented programming, and advanced Swift patterns. Martins, Thais; Mead, Christopher J. (2003). "Swifts". In Perrins, Christopher (ed.). The Firefly Encyclopedia of Birds. Firefly Books. pp. 346–350. ISBN 1-55297-777-3. Swift: A Step-by-Step Guide for Absolute Beginners by Daniel Bell published in 2019 introduces the readers to the foundations of the Swift programming language. 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 b Marcone, Massimo F (2005). "Characterization of the edible bird's nest the Caviar of the East". Food Research International. 38 (10): 1125–1134. doi: 10.1016/j.foodres.2005.02.008.

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

There are approximately 100 species in the Apodidae family worldwide. These are swifts, swiftlets, spinetails and needletails. Mayr, Gerald (2003). "A new Eocene swift-like bird with a peculiar feathering" (PDF). Ibis. 145 (3): 382–391. doi: 10.1046/j.1474-919x.2003.00168.x. Archived from the original (PDF) on 2016-03-03 . Retrieved 2013-10-27.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 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: The Apodiformes diversified during the Eocene, at the end of which the extant families were present; fossil genera are known from all over temperate Europe, between today's Denmark and France, such as the primitive swift-like Scaniacypselus [5] (Early–Middle Eocene) and the more modern Procypseloides (Late Eocene/Early Oligocene – Early Miocene). A prehistoric genus sometimes assigned to the swifts, Primapus (Early Eocene of England), might also be a more distant ancestor.

Swifts and Us by Sarah Gibson | Waterstones

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 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 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. What is even more amazing than what we learn about swifts is how little we know about them, still. Until 1943, when hunters in a Peruvian rainforest flushed out 13 ringed birds from a hollow tree, observers north and south of the equator had no idea where swifts went for half of the year, and we’re still not much the wiser. The birds’ scientific name, Apus apus, comes from a Greek root word meaning “footless” because of an ancient belief that they never landed; in the 17th century, British swift watchers thought they flew to the moon in winter. Now, thanks to a recent Swedish study, we know that in the non-breeding season, many birds spend 99% of their time flying, eating and sleeping on the wing, and some never land at all. 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. 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.