Tsuntsaye marasa tashi - fasali da Misalai 10

Mawallafi: Peter Berry
Ranar Halitta: 13 Yuli 2021
Sabuntawa: 14 Nuwamba 2024
Anonim
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Wadatacce

Shin akwai tsuntsayen da basa tashi? Gaskiyar ita ce, eh. Don dalilai daban -daban na daidaitawa, wasu nau'in sun samo asali sun bar ikon su na tashi. Muna magana ne game da tsuntsayen da suka sha bamban da juna, masu girma dabam da asali, waɗanda kawai suke da alaƙa da cewa ba sa tashi.

A cikin wannan labarin PeritoAnimal za mu nuna muku jerin sunayen da 10 tsuntsaye marasa tashi, amma bayan wannan, za mu yi magana game da sanannun sifofin kowannensu. Kada ku rasa wannan labarin, ci gaba da karantawa don gano duk game da tsuntsayen da basa iya tashi!

Me yasa akwai tsuntsayen da basa tashi?

Na farko, dole ne mu fayyace cewa duk nau'in tsuntsaye marasa tashi da ke wanzu a yau sun fito ne daga tsuntsayen kakannin da suke da ikon motsi ta cikin iska. Duk da wannan, wasu dalilai, musamman waɗanda ke da alaƙa da rayuwa, sun ƙarfafa daidaita waɗannan nau'ikan don haɓaka halayen da suke da su a halin yanzu.


Ofaya daga cikin dalilan da suka sa jinsin da yawa suka watsar da ikon tashiwa shine rashin masu cin nama a tsakiya. Sannu -sannu, tashi ya zama aikin da ba a saba yi ba kuma ba dole ba, wanda ya haÉ—a da kashe kuzarin kuzari. Wannan yana bayanin dalilin da yasa yawancin waÉ—annan nau'ikan suna mamaye tsibirin da ke nesa da babban yankin, inda nau'in dabbobin dabbobin suka isa.

sauran nau'in ci gaba da girma girma fiye da yadda a baya suke iya samun sauƙin kama abin da suka samu a mazauninsu. Tare da girman girma, akwai ƙarin nauyi, don haka tashi ya zama aiki mai rikitarwa ga waɗannan tsuntsaye. Wannan ba wai duk tsuntsayen da ba su tashi a duniya suna da girma ba, kamar yadda kuma akwai wasu kanana.

Duk da yawan karatu da muke iya samu a halin yanzu, babu wata yarjejeniya É—aya da za ta iya bayyana a wane lokaci a cikin tarihi waÉ—annan nau'in tsuntsaye marasa tashi suka bar ikonsu na motsi ta cikin iska. An kiyasta cewa wannan na iya faruwa a cikin iyakokin Cretaceous-Babban Jami'a.


Koyaya, gano burbushin halittu ya nuna cewa, a cikin Miocene, yawancin nau'ikan yau sun riga sun nuna halaye iri É—aya da waÉ—anda zamu iya lura da su a yau.

Babban halayen tsuntsaye marasa gudu

Lokacin da muke magana akan tsuntsayen da basa tashi ko tsuntsaye ratite, yana da mahimmanci a san cewa kowane nau'in yana da halaye da keɓaɓɓun halaye, duk da haka, akwai wasu halaye na kowa cewa duk tsuntsaye marasa tashi suna raba:

  • An daidaita gawarwakin gudu da iyo;
  • kasusuwan fuka -fukan su ne karami, babba da nauyi wanda a cikin tsuntsaye masu tashi;
  • Kada ku nuna keel a cikin kirji, kashin da ake sanya tsokar da ke ba da damar tsuntsaye masu tashi su kada fikafikansu;
  • gabatar yalwar gashinsa, kamar yadda basa buÆ™atar rage nauyin jikinsu.

Yanzu da kuka san wasu sanannun halaye na tsuntsaye marasa tashi, lokaci yayi da za a yi magana game da nau'ikan wakilai.


sunayen tsuntsayen da basa tashi

Na gaba, za mu nuna muku a jeri tare da sunayen tsuntsaye 10 marasa tashi ko, wanda kuma aka sani da berayen beraye, wanda a ciki kuma za mu yi bayanin halayen da suka fi dacewa da kowane É—ayan waÉ—annan nau'ikan, da kuma wasu abubuwa masu ban sha'awa waÉ—anda za ku so ku sani game da su:

Jimina

Mun fara jerin sunayen tsuntsayen ratita da jimina (Struthio raƙumi), tsuntsu mai gudu wanda ke zaune a Afirka. Ita ce tsuntsu mafi girma da nauyi a duniya, kamar yadda ta iya ya kai kilo 180. Ya kamata ku sani cewa, saboda rashin iya tashi, nau'in ya haɓaka saurin girma yayin gudu, har ma yana iya kaiwa 90 km/h. A lokacin tseren, fuka -fukan suna taimakawa don samun ƙarfi, ban da yin hidima ga ɗimbin maharan da bugun.

emu

O nandu-de-darwin ko emu (Rikicin Amurka ko Rhea pentata) tsuntsu ne mai tashi ba kwatankwacin jimina. Yana zaune a Kudancin Amurka kuma yana ciyar da tsaba, kwari da dabbobi masu rarrafe daban -daban, gami da macizai. Kamar jimina, nandu fitaccen ɗan tsere ne yayin da ya isa 80 km/h. Nauyin yana da wahalar tsalle, amma yana haɓaka sosai a cikin yanayin ruwa, saboda shi ma mai iyo ne.

Kiwi

Muna ci gaba da jerin tsuntsayen da basa tashi da kiwi. Ba kamar sahabbansa masu tashi ba, kamar nandu da jimina, da Kiwi (jinsi Apteryx) ƙaramin tsuntsu ne, tare da kimanin girman kaji. Akwai nau'ikan 5, duk sun mamaye New Zealand. Kiwi yana da fuka -fukan da ba a iya ganinsu, da yake suna ɓoye ƙarƙashin gashin. Dabbobi ne masu jin kunya da maraice, kuma suna kula da tsarin cin abinci.

Cassowary

An kira kasko jinsin tsuntsaye marasa tashi wanda ya hada da nau'o'i uku daban -daban. An rarraba su a duk faɗin Australia, New Zealand da Indonesia, inda gandun daji na wurare masu zafi da mangroves ke zama. Cassowaries suna auna tsakanin 35 da 40 kilo, kuma suna da launin shuɗi ko ja a wuya, sabanin sauran launin baƙar fata ko duhu mai launin ruwan kasa. Suna cin kwari, ƙananan dabbobi da 'ya'yan itatuwa da suke ɗebowa daga ƙasa.

Penguin

Kai penguins tsuntsaye ne na tsarin Spheniciformes, wanda ya haɗa da nau'ikan 18 da aka rarraba ko'ina cikin arewacin duniya da tsibirin Galapagos. Ba sa amfani da fikafikansu don tashi, amma suna madalla da masu iyo kuma suna da wata dabara da za ta ba su damar tara iska a kusa da fukafukan fuka -fukansu don fitar da kansu daga cikin ruwa lokacin da suke bukatar gaggawa zuwa ƙasa.

emu

Ci gaba da misalan tsuntsayen beraye, dole ne mu ambaci emu (Dromaius novaehollandiae), tsuntsu na biyu mafi girma a duniya bayan jimina. Yana da alaƙa da Ostiraliya kuma yana iya kaiwa ga 50 kilo. Nau'in yana da dogon wuya da ƙananan fuka -fukan da ba a bunƙasa ba. Emu ƙwararren ɗan tsere ne, saboda ƙafafunsa suna da yatsun kafa uku kaɗai da suka dace da wannan aikin.

duck launin toka tururi

Kodayake yawancin nau'in duck suna tashi, da duck launin toka tururi (tachyeres pteners) tsuntsu ne da ba ya tashi wanda ake rarrabawa a duk Kudancin Amurka, musamman a yankin Tierra del Fuego. Wadannan tsuntsaye suna da kyau masu iyo kuma suna ciyar da mafi yawan rayuwarsu a cikin ruwa, inda suke cin kifi da kifin kifi.

Mallard na Campbell

O mallard na Campbell (Anas Nesiotis) wani tsuntsu ne na Tsibirin Campbell, yanki a kudancin New Zealand, wanda ba a san shi sosai ba. Jinsin yana cikin m halakar m saboda abubuwan al'ajabi na halitta da suka shafi tsibirin da kuma shigar da wasu nau'in cikin mazauninsa na halitta, don haka an kiyasta cewa kawai tsakanin mutane 100 zuwa 200.

Titicaca grebe

Wani tsuntsu wanda baya tashi shine titicaca grebes (Rollandia microptera), wani nau'in daga Bolivia da Peru, inda yake zaune ba kawai Tafkin Titicaca ba, har ma yana kusa da wasu koguna da tabkuna. Nau'in yana da ƙananan fuka -fuki, waɗanda ba sa barin tashi, amma wannan loon shine mai kyau ninkaya har ma yana jujjuya fukafukansa lokacin da yake gudu.

Galapagos Cormorant

Mun gama jerin sunayen tsuntsayen da basa tashi da jirgin Galapagos cormorant (Phalacrocorax harrisi), tsuntsu wanda ya rasa ikon tashi. Tsarin mating ɗin ku shine polyandry, wanda ke nufin mace guda za ta iya hayayyafa da maza da yawa. Suna auna kusan 100 cm tsayi kuma suna auna tsakanin 2.5 da 5 kg. Dabbobi ne baƙaƙe da launin ruwan kasa, masu dogon baki da ƙananan fuka -fuki.