Bullfrog - chozizwitsa cha chilengedwe

Ndani amene anamva za achule? Kuyambira ndili mwana takhala anauza nkhani "Mitten", pomwe mmodzi wa anthu ndi chule-Wah. Koma si onse ang'ono ndi wowona. Kum'mawa ndi kum'mwera Africa, komanso mayiko chapakati US ndi kum'mwera Canada ndi kunyumba mmodzi wa zamtundu waukulu wa achule amenewa - bullfrog. Iwo amakula lalikulu, ndi avareji ya masentimita 17 20. Ena afike 25 masentimita. kulemera avareji 2-2.5 makilogalamu. Koma pali anthu ena amene kulemera ndi apamwamba kuposa chithunzi ichi. Mwachitsanzo, mu 1949 mu boma la Washington anagwira chule a mitundu, amene kulemera anali 3.5 makilogalamu.

Chimphona bullfrog ali ndi mutu waukulu, umene amaoneka ngati catapult mutu - anamaliza mawonekedwe ndi pakamwa lonse. Iye ali ndi mano okongola lakuthwa. Juveniles ali ndi mitundu yosiyanasiyana yowala mtundu wobiriwira, amene Tingaone ndi maziko a zosiyana mawanga woyera. Ambiri Tingaone pamodzi kumbuyo kwa Mzere yopapatiza mawanga chowala kapena mdima. Iwo ndi vuto khungu kuti amawathandiza chinthu akudziwa bwino. amuna Young ndi mimba woyera, nthawi zina maolivi chilekano yowala. Kumbuyo maso ali zikuluzikulu resonators kuti uwathandize nyengo mating. Ndi thandizo lawo, iwo zimatulutsa ndi phokoso lalikulu kuti amafanana akuwombera. Mwina pa cifukwa ichi, mtundu uwu nalo dzina lake.

Zazikazi sichidziwa kudzitamanda wa mtundu ngati omveka, iwo akhoza kusiyana ndi Aletsedwa maolivi mimba. Bullfrog ndi zaka amasintha mtundu wake. Zimakhala wauve imvi kapena chinyontho wobiriwira. Chifukwa cha zimenezi mtundu odula m'madzi osaya kapena udzu ndi pafupifupi imperceptible. Iye ali kunsana miyendo amphamvu. Ndi thandizo lawo chule digs kamakumba una kwambiri. ntchito zake zimawonedwa usiku. Koma masana, ndiye iwo kudikira chake m'manda mu nthaka nyanja kapena atakhala mu madzi osaya.

Bullfrog mmodzi Mbali chodabwitsa. Mu nyengo yotentha, kuti adziteteze ku kutentha, izo akumasula khungu ntchofu, amene kwathunthu anaphimba. Pambuyo kuyanika wa ntchofu, ndi penti mokwanira airtight imene aikidwa ndi nthaka. M'mphuno yekha ali pamwamba. Mmenemonso, chule amathera miyezi 6.

Bullfrog, chithunzi amatsimikizira ankaona mitundu zolusa. Iye wakudya zonse zokwawa ndipo anaikidwa pakamwa pake, ndi kugwira chakudya paokha. Chakudya akhoza kukhala zosiyanasiyana tizilombo, nyama zokwawa, makoswe ang'ono, anapiye. Pamene njala akhoza kudya anthu achinyamata a mtundu womwewo. Tikumbukenso kuti iwo okha anatani kusuntha zinthu. Iwo ali mphamvu za nsagwada, kudzera amene m'zigawo aigwire masekondi. Unclench nsagwada kovuta, kamodzi pakamwa pake, pa mpata chipulumutso.

Ndi isanayambike wa mvula bullfrog akukonzekera kuswana nyengo. Amasonkhana nkhosa yaing'ono amatunga, kumene amuna kuyamba nyimbo zawo kuti akope akazi. masiku 2 pambuyo mating, akazi kutchera mazira, chomwe mazira 3,000-4,000. Kenako chitaya awiri zambiri zomangamanga ndi intervals 3 sabata. Patapita miyezi 2 pali tadpoles, kukula kwa amene ali 20 masentimita. Iwo maolivi wobiriwira ndi oumbidwa maso lonse. Tadpoles kukhala pasanathe zaka ziwiri. Chifukwa chakuti achule wamba sindikusamala za ng'ombe zawo, ambiri mazira aphedwa. Komabe, zimenezi sizingatheke anati za achotse achule African. Amuna a mitundu ali zimateteza kwambiri ana awo. Kuteteza tadpoles awo, iwo akhoza kuukira ndi munthu.