Ratites: wakilan, Anatomy da kuma rayuwar

Kowa da kowa ya dade da aka sani cewa tsuntsaye suna iya tashi. Wannan halayyar bambanta su daga sauran dabbobi. Amma a nan ne wasu daga cikinsu ba su san yadda za a tashi - shi ratites. Kila ne quite daban-daban daga cikin sauran dabbobi da wannan aji. Mene ne halayyar fasali na ratites, da wakilan da suke tartsatsi a duniya? Bari mu amsa wadannan tambayoyi tare.

Subclass ratites

Daya daga cikin siffofin da tsuntsaye, wadda ke da alhakin su ikon tashi, shi ne gaban keel. Yana da wani outgrowth na wani lebur sternum, to wanda aka a haɗe da tsokoki, sakamakon yunkuri na fuka-fuki. Ratites, jerin wanda shi ne babban isa, ba su da wannan ɓangare na kwarangwal. Haka kuma, ba za su iya tashi.

Ratites kawai motsa tare da ƙasa, yanã tafiya da gaggãwa, ko azumi tafiya. Sai suka duka da iko da kuma dogon kafafu. Ratites da underdeveloped fuka-fuki. The kawai togiya ne kiwi, waxanda suke da wadanda ba babu. Su habitats ne bude yankunan ko overgrown Evergreen shrubs. Dukan su - brood tsuntsaye. Saboda haka, su kajin suna haife tare da idanunsu bude da kuma rufe fuzz. Bayan wani gajeren adadin lokaci bayan haihuwa, da suka bar jin dadi gida da kuma koyi a sami abinci, da kuma rayuwa da kansa.

Kuma yanzu bari samun matsahi na saba da bambancin jinsunan ratites, wanda ake hada a cikin wadannan kamfanoni hudu.

ratite

Domin ratites tana nufin shi ne mafi girma daga cikin data kasance mambobi na wannan aji. Yana iya auna har zuwa 90 kg kuma tsawo -. 270 cm Wannan bai zama ba fãce da Afirka jimina. Ya na da wani rikodin fasalin - isa gudu a lokacin da gudu up to 70 km / h. A Afirka jimina yana da dogon wuya, mĩƙe shugaban da kawai biyu yatsun kafa a kowace ƙafarsa. Wannan ma na taimaka wa m gudu.

Wani wakilin wannan kungiya shi ne ratites Rhea, wanda ke zaune a cikin sararin South America. Yana kuma ciyarwa a kan shuka abinci da kuma kananan ƙasar dabbobi, masu tasowa, a lokacin farauta domin su babba gudun.

Nanduobraznye

Ratites, wadanda wakilansu ba su tashi, da wasu tsanaki tsarin fasali. Domin Rhea ne gaban uku yatsun kafa a kowace ƙafarsa, kuma kusan imperceptible fuka-fuki. Duk da haka, a lokacin azumi a guje tsuntsu Picks sama da daya daga gare su, kamar ze tashi, ta amfani kamar yadda wani navigator yayin tuki. Bugu da kari, a kan fikafikan waɗannan tsuntsaye da wuya da kuma kaifi outgrowths - fika. Rhea su yi amfani da lokacin da ma'abota kakar don tursasa kishiyoyinsu. Kaji gudu cikin sauri, za a iya ko da tsalle a kan wani tsanya 'yan mita dogon. A kwatanta da jimina Rhea yawa karami. Su tsawo ya kai daya da rabi mita. Live tsuntsaye a kananan garkunan tumaki, ciyar a kan shuka abinci.

casuariiformes

A vastness na Australia da kuma New Zealand za a iya samu cassowaries. Idan muka fassara wannan sunan ne daga zamanin d Papuan harshen, yana nufin "horned kai." Lalle ne, a cikin zuciya shi ne wani nau'i ne na kwalkwali. Ya kunshi connective nama spongy, shugaba Kakakin abu. Masana kimiyya bayar da shawarar cewa wannan na'urar ne wani tsuntsu yana amfani da su tura da rassan bushes, kũtsãwa ta hanyar thickets na wurare masu zafi da gandun daji. Neck cassowaries bã tãre da gashinsa, da fentin sosai haske launuka - daga blue zuwa orange. Abin mamaki shi ne gaskiya cewa mace kwanciya qwai, barin ta gida. A namiji incubates su. Sami qwai cassowaries ban mamaki cikakken launi, daga zaitun zuwa kusan baki.

Kiviobraznye

Ratites, a jerin abin da muka ci gaba, akwai iya zama sosai a cikin kananan size. Alal misali, mazauni na New Zealand kiwi Tã kadan fiye da uku kilo da tsawo na 55 cm. Fuka-fukai da kusan babu wani a kan kafafu located a kan hudu yatsunsu. Ciyar kiwi kananan invertebrate dabbobi, an same su a cikin ƙasa ta wajen wani bakin ciki da kuma dogon baki. Wadannan tsuntsaye fi son su rayu a cikin wurare masu zafi da gandun daji, ya kange daga hatsari da yara a m ciyayi Evergreen shrubs.

Ma'ana ratites

Na musamman muhimmancin cikin ratites ne Jiminai. Saboda haka, Afirka Jiminai dogon aka farauta saboda kyau gashinsa namiji da dadi abin da ake ci nama. Irin wannan doka kama kifi ya jagoranci wani gagarumin raguwa a yawan wadannan tsuntsaye. A halin yanzu, a} asashe da dama Jiminai suna bred a kan musamman gonaki. A nan, ratites ake amfani da su samar da dama musamman kayayyakin. Na farko, da nama, wanda aka gane ta nutritionists a duk faɗin duniya da ya fi amfani saboda ta low abun ciki na cholesterol kuma fats. A gaba samfurin ne mai muhimmanci da fata. A ta musamman magani ne lamban kira fata, wanda aka nuna godiya a kasuwa fiye da wani kada kuma wani maciji. Jimina gashinsa sun fara yin amfani da mutane a cikin 18th karni yi ado huluna, masana'antu magoya na daban-daban masu girma dabam, tsaftacewa daban-daban guda na kayan aiki. Musamman da jimina qwai. Su ne mafi girma daga dukan tsuntsayen. Wasu lokutta har isa biyu kg lokacin da kauri daga cikin kwasfa har zuwa rabin santimita. Kuma godiya ga manyan size daga tsuntsãye a Amurka da kuma Afirka ta ko gabatar da jimina jinsi, harnessed su zuwa real teams.

Cassowary da EMU ne ma al'amurran tattalin arziki muhimmanci a cikin ƙasa na Arewa da kuma Kudancin Amirka, da kuma Australia. Ga su suna bred don samar da nama, fata da kuma kitse, wadda aka yi amfani da sarrafa kayan shafawa, da nazarin halittu Additives da kwayoyi.

Ratites suna hana ikon tashi. Su hankula wakilan ne jimina, kiwi, EMU da cassowary. Wadannan tsuntsaye da aka hada gaban rudimentary fuka-fuki ko m, babu keel da ikon gudu da sauri.