[{"data":1,"prerenderedAt":190},["ShallowReactive",2],{"glossary_en:\u002Fslovar":3,"alt-locale:glossary_en:\u002Fslovar":80,"section-listing:disabled":81,"section-listing:glossary_en:\u002Fslovar":82,"related-covers:en:\u002Fopredelitel|\u002Fvidy-ptic\u002Fvidy|\u002Fentsiklopediya":184},{"id":4,"title":5,"body":6,"coverImage":43,"description":44,"extension":45,"faq":46,"imagePrompt":53,"meta":54,"navigation":55,"order":56,"pageType":57,"path":58,"publishedAt":59,"readingMinutes":60,"relatedLinks":61,"seo":74,"sitemap":77,"stem":78,"tags":56,"updatedAt":56,"__hash__":79},"glossary_en\u002Fslovar\u002Findex.md","Glossary of Ornithology Terms",{"type":7,"value":8,"toc":37},"minimark",[9,14,18,21,25,28],[10,11,13],"h2",{"id":12},"what-this-glossary-is-for","What this glossary is for",[15,16,17],"p",{},"Ornithology, like any field, has its own vocabulary — some of it precise scientific terminology, some of it everyday birdwatching shorthand. This glossary collects the terms that appear repeatedly across the atlas's species, family, and regional pages and explains each one in a short, self-contained entry, so you never have to leave a page mid-read to look something up elsewhere.",[15,19,20],{},"Entries range from core biological concepts — what distinguishes a migratory bird from a resident one, what happens during molt, how clutch size varies between species — to practical terms used by people who watch or attract birds, such as bird feeders, nest boxes, and ringing programs. Each entry is deliberately short: a term explained in a paragraph or two, with concrete examples drawn from species covered elsewhere in the atlas.",[10,22,24],{"id":23},"how-the-terms-connect-to-the-rest-of-the-atlas","How the terms connect to the rest of the atlas",[15,26,27],{},"Many glossary terms map directly onto fields you'll see on other pages. A species profile might describe a bird as present \"April to September\" — the glossary entry on migratory birds explains what that pattern means and how it differs from a resident or an irruptive species. A conservation status of \"NT\" on a species page corresponds to a glossary entry spelling out the full IUCN scale from Least Concern to Extinct. Where a species page uses a term without room to unpack it, this glossary is the place to find the fuller explanation.",[15,29,30,31,36],{},"The glossary is organized as a flat, alphabetically browsable list rather than nested categories, since most visitors arrive looking for one specific term rather than browsing the whole collection. If you're trying to identify a bird rather than look up a word, the ",[32,33,35],"a",{"href":34},"\u002Fen\u002Fopredelitel","bird identifier"," is a better starting point; if you already know roughly what you're looking for, this is where to find the precise definition.",{"title":38,"searchDepth":39,"depth":39,"links":40},"",2,[41,42],{"id":12,"depth":39,"text":13},{"id":23,"depth":39,"text":24},"\u002Fimages\u002Fslovar\u002Findex.png","Plain-language definitions of ornithology terms used across Bird Atlas — from migration and molt to clutch size and conservation status categories.","md",[47,50],{"q":48,"a":49},"Do I need to know these terms before reading a species page?","No. Species pages are written to be understandable without prior knowledge, but the glossary explains the recurring technical terms — such as migratory status, clutch size, or conservation status categories — in more depth than a single species page has room for.",{"q":51,"a":52},"Why does the glossary include terms like 'bird feeder' and 'nest box' alongside scientific ones?","The glossary covers both the biological vocabulary used to describe birds and the practical vocabulary used by birdwatchers and people who attract birds to their gardens, so both a student and a backyard birder can find what they need.","Photorealistic macro photo, a close-up of a barn swallow's wing feathers spread during preening, individual flight feathers and covert layers clearly visible with fine barb detail, resting on a weathered wooden fence rail, soft natural side light emphasizing feather texture, shallow depth of field, 16:9",{},true,null,"glossary","\u002Fslovar","13.07.2026",1,[62,66,70],{"label":63,"path":64,"description":65},"Bird identifier","\u002Fopredelitel","Identify a bird you've seen by color, size, beak shape, habitat, and season",{"label":67,"path":68,"description":69},"Species catalogue","\u002Fvidy-ptic\u002Fvidy","Browse all bird species covered in the atlas",{"label":71,"path":72,"description":73},"Bird encyclopedia","\u002Fentsiklopediya","Broader questions about birds, their biology, and how to use the atlas",{"title":75,"description":76},"Glossary of Ornithology Terms — plain-language bird vocabulary","Short, plain-language definitions of ornithology terms — migration, molt, clutch size, conservation status, and more — used throughout Bird Atlas.",{"loc":58},"slovar\u002Findex","9NL50BovDKnn6lveHdvRhNV7xLbtG8G9ZxVMDP1GQOY",{"ru":55,"es":55},[],[83,89,94,99,104,109,114,119,124,129,134,139,144,149,154,159,164,169,174,179],{"title":84,"description":85,"path":86,"coverImage":87,"publishedAt":88,"order":56},"Bird Feeder","A bird feeder provides supplementary food, most valuably in winter, and lets birdwatchers observe species up close — but it needs regular cleaning to avoid spreading disease.","\u002Fslovar\u002Fkormushka-dlya-ptic","\u002Fimages\u002Fslovar\u002Fkormushka-dlya-ptic.png","14.07.2026",{"title":90,"description":91,"path":92,"coverImage":93,"publishedAt":88,"order":56},"Bird Migration","Bird migration is the regular, seasonal movement of birds between breeding and non-breeding ranges — driven by food availability and daylight, not simply cold weather.","\u002Fslovar\u002Fmigraciya-ptic","\u002Fimages\u002Fslovar\u002Fmigraciya-ptic.png",{"title":95,"description":96,"path":97,"coverImage":98,"publishedAt":88,"order":56},"Bird Ringing","Bird ringing (banding) attaches a small, uniquely numbered metal or plastic ring to a bird's leg, allowing individuals to be tracked across recaptures and sightings.","\u002Fslovar\u002Fkolcevanie-ptic","\u002Fimages\u002Fslovar\u002Fkolcevanie-ptic.png",{"title":100,"description":101,"path":102,"coverImage":103,"publishedAt":88,"order":56},"Bird of Prey (Raptor)","A bird of prey, or raptor, hunts live vertebrate prey using strong grasping feet and a hooked bill — a functional grouping spanning several unrelated families, including falcons, hawks, and owls.","\u002Fslovar\u002Fpernatyi-hishchnik","\u002Fimages\u002Fslovar\u002Fpernatyi-hishchnik.png",{"title":105,"description":106,"path":107,"coverImage":108,"publishedAt":88,"order":56},"Birdwatching","Birdwatching is the recreational observation and identification of wild birds, ranging from casual garden watching to structured trips to specific sites and seasons.","\u002Fslovar\u002Fbirdwatching","\u002Fimages\u002Fslovar\u002Fbirdwatching.png",{"title":110,"description":111,"path":112,"coverImage":113,"publishedAt":88,"order":56},"Conservation Status of Birds (LC\u002FNT\u002FVU\u002FEN\u002FCR)","Conservation status is a standardized IUCN category — from Least Concern to Extinct — measuring how close a species is to disappearing across its entire range.","\u002Fslovar\u002Fohrannyi-status-ptic","\u002Fimages\u002Fslovar\u002Fohrannyi-status-ptic.png",{"title":115,"description":116,"path":117,"coverImage":118,"publishedAt":88,"order":56},"Downy Chick","A downy chick is a hatchling covered in soft, fluffy natal down rather than true feathers — its exact appearance and mobility depend on whether the species is precocial or altricial.","\u002Fslovar\u002Fpuhovoi-ptenec","\u002Fimages\u002Fslovar\u002Fpuhovoi-ptenec.png",{"title":120,"description":121,"path":122,"coverImage":123,"publishedAt":88,"order":56},"Egg Clutch","A clutch is the full set of eggs a female bird lays in a single nesting attempt — its size varies by species from a single egg to over a dozen.","\u002Fslovar\u002Fkladka-yaic","\u002Fimages\u002Fslovar\u002Fkladka-yaic.png",{"title":125,"description":126,"path":127,"coverImage":128,"publishedAt":88,"order":56},"Egg Incubation","Incubation is the process of keeping eggs at a stable, warm temperature until they hatch, usually by direct body contact through a bare, blood-vessel-rich brood patch.","\u002Fslovar\u002Finkubaciya-yaic","\u002Fimages\u002Fslovar\u002Finkubaciya-yaic.png",{"title":130,"description":131,"path":132,"coverImage":133,"publishedAt":88,"order":56},"Endemic Species","An endemic species occurs naturally in one specific geographic area and nowhere else in the world, making it a priority for conservation attention.","\u002Fslovar\u002Fendemik","\u002Fimages\u002Fslovar\u002Fendemik.png",{"title":135,"description":136,"path":137,"coverImage":138,"publishedAt":88,"order":56},"Migration Flyway","A migration flyway is the broad geographic corridor a population of migratory birds consistently follows between breeding and wintering ranges, often shaped by coastlines and mountains.","\u002Fslovar\u002Fmigracionnyi-put","\u002Fimages\u002Fslovar\u002Fmigracionnyi-put.png",{"title":140,"description":141,"path":142,"coverImage":143,"publishedAt":88,"order":56},"Migratory Birds","Migratory birds leave their breeding range for a separate wintering range on a predictable seasonal schedule, returning to breed in the same area each spring.","\u002Fslovar\u002Fpereletnye-ptitsy","\u002Fimages\u002Fslovar\u002Fpereletnye-ptitsy.png",{"title":145,"description":146,"path":147,"coverImage":148,"publishedAt":88,"order":56},"Molt in Birds","Molt is the periodic shedding and replacement of feathers, essential for flight efficiency, insulation, and — in many species — seasonal changes in plumage color.","\u002Fslovar\u002Flinka-u-ptic","\u002Fimages\u002Fslovar\u002Flinka-u-ptic.png",{"title":150,"description":151,"path":152,"coverImage":153,"publishedAt":88,"order":56},"Nest Box","A nest box is an artificial cavity built to attract hole-nesting birds where natural tree cavities are scarce, from starling boxes to smaller tit and sparrow boxes.","\u002Fslovar\u002Fskvorechnik","\u002Fimages\u002Fslovar\u002Fskvorechnik.png",{"title":155,"description":156,"path":157,"coverImage":158,"publishedAt":88,"order":56},"Nesting","Nesting is the full process of building or selecting a nest site, laying and incubating eggs, and raising chicks to independence — behavior that varies enormously between bird families.","\u002Fslovar\u002Fgnezdovanie","\u002Fimages\u002Fslovar\u002Fgnezdovanie.png",{"title":160,"description":161,"path":162,"coverImage":163,"publishedAt":88,"order":56},"Nomadic Birds","Nomadic (irruptive) birds move irregularly and unpredictably between areas in response to fluctuating food supply, rather than following a fixed seasonal migration.","\u002Fslovar\u002Fkochuyushchie-ptitsy","\u002Fimages\u002Fslovar\u002Fkochuyushchie-ptitsy.png",{"title":165,"description":166,"path":167,"coverImage":168,"publishedAt":88,"order":56},"Passage Migrants","A passage migrant is a bird seen in a region only briefly, while traveling between a breeding range and a wintering range that both lie elsewhere.","\u002Fslovar\u002Fproletnye-ptitsy","\u002Fimages\u002Fslovar\u002Fproletnye-ptitsy.png",{"title":170,"description":171,"path":172,"coverImage":173,"publishedAt":88,"order":56},"Precocial and Altricial Birds","Precocial chicks hatch mobile, feathered, and able to feed themselves within hours; altricial chicks hatch blind, naked, and entirely dependent on their parents.","\u002Fslovar\u002Fvyvodkovye-i-ptencovye-ptitsy","\u002Fimages\u002Fslovar\u002Fvyvodkovye-i-ptencovye-ptitsy.png",{"title":175,"description":176,"path":177,"coverImage":178,"publishedAt":88,"order":56},"Range (Habitat Range)","A species' range is the total geographic area where it occurs, distinct from habitat, which describes the type of environment it uses within that area.","\u002Fslovar\u002Fareal-obitaniya","\u002Fimages\u002Fslovar\u002Fareal-obitaniya.png",{"title":180,"description":181,"path":182,"coverImage":183,"publishedAt":88,"order":56},"Resident Birds","Resident birds stay within the same general area year-round, neither migrating to a separate wintering range nor undertaking large nomadic movements.","\u002Fslovar\u002Fosedlye-ptitsy","\u002Fimages\u002Fslovar\u002Fosedlye-ptitsy.png",[185,187,188],{"label":63,"path":64,"description":65,"coverImage":186},"\u002Fimages\u002Fopredelitel\u002Findex.png",{"label":67,"path":68,"description":69,"coverImage":56},{"label":71,"path":72,"description":73,"coverImage":189},"\u002Fimages\u002Fentsiklopediya\u002Findex.png",1787114562835]