![]() ![]() Import from PDF, export as PDF including PDF/A.ĪGPLv3 for version 3, GPLv2 for previous versions 2.xĭesktop application to split, merge, extract pages, rotate and mix PDF documents. Converters – to allow users to convert PDF files to other formats.Īndroid, iOS, iPadOS, ChromeOS and Online.Editors – to allow users to edit or otherwise modify PDF files.Readers – to allow users to open, read and print PDF files.Creators – to allow users to convert other file formats to PDF.Extracting embedded text is a common feature, but other applications perform optical character recognition (OCR) to convert imaged text to machine-readable form, sometimes by using an external OCR module. Some software allows redaction, removing content irreversibly for security. The distinction between the various functions is not entirely clear-cut for example, some viewers allow adding of annotations, signatures, etc. ISBN 978-1408125014.This is a list of links to articles on software used to manage Portable Document Format (PDF) documents. The Helm Dictionary of Scientific Bird Names. Supplementum indicis ornithologici sive systematis ornithologiae (in Latin). "Let's not martyr the white-throated needletail to the anti-wind cause". ^ "Birdwatchers flock to see rare bird, then watch it killed by wind turbine".The specific name caudacutus comes from the Latin words cauda meaning "tail" and acutus meaning "pointed". Their current genus Hirundapus is constructed from the names of the swallow genus Hirundo and the swift genus Apus. The white-throated needletail was first described by the English ornithologist John Latham in 1801 under the binomial name Hirundo caudacuta. Needle-tailed swifts get their name from the spined end of their tail, which is not forked as it is in the typical swifts of the genus Apus. They are greyish-brown except for a white throat and a white patch, extending from the base of the tail to the flanks. They measure about 20 cm and weigh between 110 and 120 grams. White-throated needletails are large swifts with a robust, barrel-like body. In June 2022, a bird was recovered on an expedition ship MV Ortelius near Fair Isle approx 70 miles off Duncansby Head, Caithness, Scotland and successfully released. It later flew into a wind turbine and died its body was sent to a museum. In June 2013, an individual was spotted in Great Britain for the first time in 22 years. It is a rare vagrant in Western Europe and has been recorded as far west as Norway, Sweden and Great Britain. ![]() The white-throated needletail is a migratory bird, breeding in Central Asia and southern Siberia, and wintering south in the Indian Subcontinent, Southeast Asia and Australia. They feed on small, flying insects like beetles, flies, bees and moths. They do not like to sit on the ground and spend most of their time in the air. ![]() They build their nests in rock crevices in cliffs or hollow trees. It is reputed to reach speeds of up to 170 km/h (105 mph) in horizontal flight, but this is unverified because the methods used to measure its speed have not been published. The white-throated needletail ( Hirundapus caudacutus), also known as needle-tailed swift or spine-tailed swift, is a large swift in the genus Hirundapus.
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