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Drevolazy lat Dendrobatidae semejstvo beshvostyh zemnovodnyh yavlyaetsya sestrinskoj gruppoj po otnosheniyu k semejstvu Aromobatidae no v otlichie ot nih yadovity Nekotorye predstaviteli semejstva yavlyayutsya odnimi iz samyh yadovityh zhivotnyh na planete Latinskoe nazvanie proishodit ot drevnegrecheskih slov dr grech dendro derevo i dr grech batῷ podnimatsya DrevolazyGoluboj drevolazNauchnaya klassifikaciyaDomen EukariotyCarstvo ZhivotnyePodcarstvo EumetazoiBez ranga Dvustoronne simmetrichnyeBez ranga VtorichnorotyeTip HordovyePodtip PozvonochnyeInfratip ChelyustnorotyeNadklass ChetveronogieKlass ZemnovodnyePodklass BespancirnyeInfraklass BatrachiaNadotryad Otryad Beshvostye zemnovodnyePodotryad NeobatrachiaKlada Semejstvo DrevolazyMezhdunarodnoe nauchnoe nazvanieDendrobatidae Cope 1865SinonimyPhyllobatidae Fitzinger 1843 Eubaphidae Bonaparte 1850 Hylaplesidae Gunther 1858 Colostethidae Cope 1867ArealSistematika v VikividahIzobrazheniya na VikiskladeITIS 173539NCBI 43469EOL 1554FW 362373OpisanieKrasyashij drevolaz Kak pravilo eto ochen malenkie lyagushki razmerom 12 25 mm samye krupnye do 60 mm Vesyat okolo 2 grammov v zavisimosti ot razmera Okraska tela bolshinstva vidov ochen yarkaya ot nezhno zhyoltogo cveta do sinevato chyornogo i krovavo krasnogo v krapinku preduprezhdayushaya ob opasnosti Lapy chashe vsego okrasheny v chernyj cvet Na palcah est prisoski ne kruglye kak u kvaksh a skoree treugolnye imeyushie vid dvuh srosshihsya diskov na kazhdom palce Yazyk dlinnyj ne zakreplyonnyj szadi Zuby otsutstvuyut Glaza sposobny vosprinimat tolko dvizhushiesya obekty Zrachok poperechnyj ovalnyj Barabannaya pereponka vyrazhena bolee ili menee otchetlivo Kostnye koncevye sustavy palcev perednih i zadnih nog imeyut formu bukvy T Samcy krupnee samok Imeyut priyatnyj golos v zavisimosti ot vida napominayushij strekotanie sverchka ili posvistyvanie Obraz zhizniObitayut po beregam rek i ruchev v dozhdevyh lesah gor i nizmennostej na vysotah ot 300 do 2000 m nad urovnem morya Bolshinstvo vidov bolshuyu chast zhizni provodyat na derevyah vysotoj do 10 m k kotoroj prekrasno prisposobleny horosho peredvigayutsya po tonkim vetvyam i dazhe listyam Nekotorye vidy obitayut v sezonnyh vlazhnyh ili zatoplennyh nizinnyh lugah pahotnyh zemlyah pastbishah selskih sadah plantaciyah vlazhnoj savanne i silno degradirovavshih lesah Neskolko predstavitelej semejstva predpochitayut otkrytye suhie prostranstva zanimaya vlazhnye zatenennye uchastki pochvy pod nizkoroslymi rasteniyami Lyubyat vysokuyu vlazhnost vozduha ot 70 do 100 pri idealnoj temperature v 25 28 C dnem i 18 20 C nochyu odnako kratkovremenno mogut perezhivat snizhenie temperatury nizhe nulya i dazhe sluchayushiesya v gorah snegopady Nastoyashih vodoyomov oni izbegayut osobenno prohladnyh ruchev holodnaya voda zamedlyaet metabolizm i upav v neyo drevolazy mogut dazhe zahlebnutsya i utonut V otlichie ot drugih amfibij drevolazy aktivny tolko dnyom Blagodarya yarkoj preduprezhdayushej okraske lyagushki svobodno peremeshayutsya ne opasayas hishnikov Po nocham spyat v ukrytiyah pod listyami v duplah i rasshelinah derevev na nebolshoj vysote ot poverhnosti zemli ili vo mhu Krupnym samcam svojstvenno yarko vyrazhennoe agressivnoe territorialnoe povedenie Obladayut strogo ohranyaemymi uchastkami kotorye oboznachayut krikami i pri vtorzhenii sopernikov yarostno zashishayut Prygayut drevolazy redko tolko v sluchae krajnej neobhodimosti predpochitaya peredvigatsya peshkom Pri opasnosti ne ubegayut a vpadayut v komatoznoe sostoyanie libo naoborot proyavlyayut agressivnost naskakivaya na vraga Pitayutsya chervyami zhestkokrylymi i paukami odnako osnovnaya ih pisha eto melkie nasekomye termity i muravi a takzhe razlichnye kleshi kislota kotoryh yavlyaetsya osnovoj ih toksinov Dobychu aktivno presleduyut Zhivut do 25 let RazmnozhenieRazmnozhayutsya drevolazy na protyazhenii vsego goda Samcy privlekayut samok prodolzhitelnymi krikami i aktivno derutsya s drugimi samcami za territoriyu Samki vybirayut samcov ishodya iz yarkosti ih okraski a takzhe mesta vybrannogo samcom dlya kladki Kogda samka vybiraet samca to podhodit k nemu i poglazhivaet lapkami po spinke V svyazi s tem chto samcy drevolazov krupnee samok u nih otsutstvuet ampleksus Samcy obhvatyvayut samok ne za tulovishe a za golovu prizhimaya tylnye storony palcev k podborodku samki Eto polozhenie samca nailuchshee dlya oplodotvoreniya otkladyvaemyh samkoj ikrinok Obyatiya proishodyat ne vsegda Tak u malenkih drevolazov samec snachala vydelyaet spermu a zatem samka v to zhe samoe mesto otkladyvaet ikru Samcy Silverstoneia flotator vverhu i vnizu s golovastikami na spine Ikru otkladyvayut v lesnuyu podstilku v rasseliny pod kamnyami na zatenennye nizko navisayushie nad zemlej listya ili v pazuhi listev tropicheskih rastenij semejstv bromelievyh i aroidnyh Ikrinki nahodyatsya v studenistoj obolochke kotoraya posle oplodotvoreniya nabuhaet i sozdaet dlya embrionov komfortnye usloviya dlya razvitiya Kladka nebolshaya ot 1 2 ikrinok do 30 40 Vo vremya inkubacii dlyashejsya 12 14 dnej odin iz roditelej libo ohranyaet kladku postoyanno libo periodicheski naveshaet i smachivaet ikrinki vodoj Vremya ot vremeni on peremeshivaet massu ikrinok zadnimi lapami Pol budushih drevolazov zavisit ot temperatury vody i vozduha vo vremya inkubacii pri ponizhenii temperatury poyavlyaetsya bolshe samok a pri povyshenii samcov Posle vylupleniya golovastikov drevolazy u nekotoryh vidov tolko samcy nachinayut teretsya bokami o novorozhdennyh a te izvivayas zapolzayut k nim na spinu i prikreplyayutsya k pyatnam osoboj slizi kotoruyu vydelyayut kozhnye zhelezy vzroslyh osobej U golovastikov poverhnost bryushka ploskaya ili slegka vognutaya chto pozvolyaet im derzhatsya na roditelskoj spine Golovastiki raznyh vidov mogut ostavatsya na nej ot neskolkih chasov do nedeli i bolee Mnogie vidy prinosyat svoih golovastikov k nebolshim ruchyam nekotorye vypuskayut ih vo vremennye vodoyomy s dozhdevoj vodoj skaplivayushiesya v rozetkah bromelievyh ili v pazuhah listev drugih tropicheskih rastenij Krasyashij drevolaz neredko vypuskaet svoih golovastikov v vodu sobravshuyusya v duplah drevesnyh stvolov V takoj bednoj pishej vode golovastiki sklonny k kannibalizmu i neredko lish odin iz nih dozhivaet do polovoj zrelosti Samki malenkih drevolazov golovastiki kotorogo razvivayutsya v vodoyomah v pazuhah listev regulyarno naveshayut svoe potomstvo i otkladyvayut v vodu gde plavayut golovastiki ne oplodotvoryonnye ikrinki kotorymi golovastiki pitayutsya ToksichnostUzhasnyj listolaz vozmozhno samoe yadovitoe zhivotnoe na planete Nekotorye vidy drevolazov yavlyayutsya odnimi iz samyh yadovityh zhivotnyh na planete Ih kozha pronizana zhelezami vydelyayushimi mikroskopicheskie doli yada kotoryh vpolne dostatochno chtoby ubit 20 chelovek V svoyom sostave yad soderzhit okolo sta razlichnyh yadovityh veshestv odnim iz kotoryh yavlyaetsya batrahotoksin vyzyvashij aritmiyu serdca vedushuyu k ego ostanovke i vyzyvayushij paralich dyhaniya chto v tyazhelyh sluchayah mozhet privesti k smerti cheloveka primerno cherez 20 minut Eto odin iz silnejshih yadov nebelkovoj prirody Chtoby yad podejstvoval emu dostatochno popast v krov cherez slizistuyu obolochku ili melkie treshinki na kozhe poetomu dazhe prostoe prikosnovenie k kozhe lyagushki mozhet vyzvat smert Protivoyadiya k yadu drevolazov v nastoyashee vremya ne sushestvuet Naibolee yadovity 3 vida roda listolazov obitayushie na zapadnyh sklonah kolumbijskih And zolotistopolosyj listolaz dvuhcvetnyj listolaz uzhasnyj listolaz Po sravneniyu s drugimi vidami oni vydelyayut menshe yada zato ih yad primerno v 20 raz silnee poetomu k nim opasno dazhe prikasatsya Yadovitye lyagushki ne vyrabatyvayut yad samostoyatelno Oni poluchayut ego vmeste s pishej naprimer s pancirnymi kleshami Toksiny mogut izmenyatsya organizmom lyagushki v processe metabolizma ili ostayutsya neizmennymi Esli isklyuchit yadovityh nasekomyh iz raciona drevolazov to cherez nekotoroe vremya oni teryayut svoyu toksichnost Yarkaya brosayushayasya v glaza okraska preduprezhdaet ob opasnosti chto otpugivaet bolshinstvo vragov i nekotorye bezvrednye amfibii podrazhayut v okraske yadovitym drevolazam naprimer svistun Odnako absolyutnoj bezopasnosti yadovitost ne dayot krupnye pauki i nekotorye vidy zmej naprimer Erythrolamprus epinephalus imeyut immunitet k yadu i uspeshno na nih ohotyatsya Drevolazy i chelovekRanitomeya amazonica Izdrevle indejcy Centralnoj Ameriki smazyvayut yadom drevolazov nakonechniki ohotnichih i boevyh strel v tom chisle duhovyh Yad etih amfibij gorazdo silnee kurare i dazhe legkaya carapina otravlennym nakonechnikom mozhet privesti k smerti Ohotniki sobirayut yad s pomoshyu ognya derzha lyagushku nad kostrom Kogda ona nachinaet vydelyat yad ego nanosyat na konchiki strel Iz batrahotoksina vhodyashego v sostav yada drevolazov uchenye smogli vydelit proizvodnoe veshestvo obladayushij boleutolyayushimi svojstvami v 200 raz silnee morfina i ne vyzyvayushij privykaniya Odnako terapevticheskaya doza dannogo preparata ochen blizka k smertelnoj doze Takzhe blagodarya yarkoj okraske dnevnoj aktivnosti tihim i priyatnym trelyam izdavaemym drevolazami oni stali ochen populyarny sredi terrariumistov RasprostranenieYavlyayutsya endemikami Centralnoj i Yuzhnoj Ameriki Obitayut v dozhdevyh lesah Bolivii Kosta Riki Brazilii Kolumbii Ekvadora Venesuely Surinama Francuzskoj Gviany Peru Panamy Gajany i Nikaragua Sushestvuet takzhe invazivnaya populyaciya krasyashih drevolazov na Gavajyah KlassifikaciyaNa yanvar 2023 goda semejstvo vklyuchaet 3 podsemejstva 16 rodov i 205 vidov Colostethinae Cope 1867 Ameerega Bauer 1986 29 vid Colostethus Cope 1866 Tyomnye drevolazy 12 vidov Epipedobates Myers 1987 8 vidov Leucostethus Grantet al 2017 11 vidov Silverstoneia Grantet al 2006 8 vidov Dendrobatinae Cope 1865 Adelphobates Grantet al 2006 3 vida Andinobates Twomey Brown Amezquita amp Mejia Vargas 2011 16 vidov Dendrobates Wagler 1830 Drevolazy 5 vidov Excidobates Twomey amp Brown 2008 3 vida Minyobates Myers 1987 1 vid Oophaga Bauer 1994 12 vidov Phyllobates Dumeril amp Bibron 1841 Listolazy 5 vidov Ranitomeya Bauer 1986 16 vidov Hyloxalinae Grant et al 2006 Ectopoglossus Grantet al 2017 7 vidov Hyloxalus Jimenez de la Espada 1870 64 vidov Paruwrobates Bauer 1994 3 vida Incertae sedis Rivero 1991FotoColostethus fraterdanieli Oophaga pumilioPrimechaniyaIstochnik russkih nazvanij Ananeva N B Borkin L Ya Darevskij I S Orlov N L Pyatiyazychnyj slovar nazvanij zhivotnyh Amfibii i reptilii Latinskij russkij anglijskij nemeckij francuzskij pod obsh red akad V E Sokolova M Rus yaz 1988 S 48 50 10 500 ekz ISBN 5 200 00232 X Dodd C Kenneth Frogs of the United States and Canada The Johns Hopkins University Press 2013 T 1 S 20 ISBN 978 1 4214 0633 6 National Geographic Society Poison Dart Frog neopr National Geographic Data obrasheniya 20 sentyabrya 2017 9 aprelya 2016 goda Amphibia Web Dendrobatidae neopr Provides information on amphibian declines natural history conservation amp taxonomy 2017 Data obrasheniya 20 sentyabrya 2017 10 avgusta 2011 goda AvLaurie J Vitt Janalee P Caldwell Herpetology An Introductory Biology of Amphibians and Reptiles angl Academic Press 2013 P 488 ISBN 978 0 12 386919 7 Zhizn zhivotnyh V 7 t gl red V E Sokolov 2 e izd pererab M Prosveshenie 1985 T 5 Zemnovodnye Presmykayushiesya pod red A G Bannikova S 78 79 399 s il Kristiina Hurme Kittzie Gonzalez Mark Halvorsen Bruce Foster and Don Moore Environmental Enrichment for Dendrobatid Frogs Journal of Applied Animal Welfare Science Lawrence Erlbaum Associates Inc 2003 Mart t 6 4 S 285 299 doi 10 1207 s15327604jaws0604 3 PMID 14965783 Twomey E amp Brown J Habitat of poison frogs ot 5 marta 2016 na Wayback Machine Dendrobates org Grant T et al 2006 Phylogenetic Systematics of Dart Poison Frogs and Their Relatives Amphibia Athesphatanura Dendrobatidae Bulletin of the American Museum of Natural History 299 299 pp 1 262 Summers Kyle Symula Clough Croni Visual mate choice in poison frogs Proceedings of the Royal Society of London 1999 T 266 1434 S 1 5 doi 10 1098 rspb 1999 0900 PMID 10649631 PMC 1690338 Piper Ross 2007 Extraordinary Animals An Encyclopedia of Curious and Unusual Animals Greenwood Press Zweifel Robert G Encyclopedia of Reptiles and Amphibians Cogger H G amp Zweifel R G San Diego Academic Press 1998 S 95 97 ISBN 0 12 178560 2 Karl Gruber 2015 Poison dart frogs are the most poisonous animals alive ot 21 sentyabrya 2017 na Wayback Machine BBC Earth Darst C Menendez Guerreor P Coloma L and Cannatella D Evolution of Dietary Specialization and Chemical Defense in Poison Frogs Dendrobatidae A Comparative Analysis angl The American Natural journal 2005 Vol 165 no 1 P 56 69 doi 10 1086 426599 PMID 15729640 Daly John W Gusovsky Fabian Myers Charles W Yotsu Yamashita Mari Yasumoto Takeshi First occurrence of tetrodotoxin in a dendrobatid frog Colostethus inguinalis with further reports for the bufonid genus Atelopus angl angl journal Elsevier 1994 Vol 32 no 3 P 279 285 doi 10 1016 0041 0101 94 90081 7 PMID 8016850 Darst Catherine R Menendez Guerrero Pablo A Coloma Luis A Cannatella David C Evolution of dietary specialization and chemical defense in poison frogs Dendrobatidae a comparative analysis angl The American Naturalist journal University of Chicago Press 2005 Vol 165 no 1 P 56 69 doi 10 1086 426599 PMID 15729640 Caldwell J P The evolution of myrmecophagy and its correlates in poison frogs Family Dendrobatidae angl Journal of Zoology journal Wiley Blackwell 1996 Vol 240 no 1 P 75 101 doi 10 1111 j 1469 7998 1996 tb05487 x Myers C W Daly J W Malkin B A dangerously toxic new frog Phyllobates used by the Embera Indians of western Colombia with discussion of blowgun fabrication and dart poisoning angl angl journal American Museum of Natural History 1978 Vol 161 no 2 P 307 365 color pls 1 2 Prince R J Sine S M Epibatidine activates muscle acetylcholine receptors with unique site selectivity angl Biophysical Journal journal 2008 Vol 75 no 4 P 1817 1827 doi 10 1016 S0006 3495 98 77623 4 PMID 9746523 PMC 1299853 Frost Darrel R Dendrobatidae neopr Amphibian vidov of the World an Online Reference Version 6 0 American Museum of Natural History 2017 Data obrasheniya 20 sentyabrya 2017 21 sentyabrya 2017 goda Poison Dart Frogs in Hawaii neopr Webseite Explore Biodiversity 2007 Data obrasheniya 20 sentyabrya 2017 26 avgusta 2017 goda LiteraturaCope 1865 Sketch of the Primary Groups of Batrachia Salientia The Natural History Review New Serie vol 5 p 97 120 Wolfgang Schmidt Friedrich Wilhelm Henkel Pfeilgiftfrosche 2 Auflage Edition Chimaira Frankfurt am Main 2008 ISBN 978 3 9306 1291 8
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