Muaj ntau hom tsiaj hauv ntiaj teb no: tsiaj txhu, noog, tsiaj reptiles, kab, amphibians, crustaceans, thiab lwm yam. Txawm hais tias txhua hom muaj cov yam ntxwv tshwj xeeb uas pab kom nws muaj sia nyob hauv ib puag ncig, qhov sib txawv ntawm cov tsiaj sib txawv kuj muaj cov yam ntxwv uas tau ua rau lawv cov kev faib tawm. Ntawm cov yam ntxwv no yog cov plaub, koj puas paub cov hom twg lawv nyob?
NOJ QAB PEB YUAV UA LI CAS KOJ YUAV UA NTEJ
ZAUB. Nrhiav seb lawv yog dab tsi!
Dab tsi yog tsiaj txhu?
Thaum koj xav txog cov plaub, cov tsiaj twg los xav? Muaj tseeb koj nco txog hom tsiaj xws li os, tus qaib, hummingbird lossis nightingale. Tam sim no tsuas yog noog muaj tis xwb? Cov lus teb rau qhov no yog yes nyob rau tiam no tsuas muaj noog xwb muaj feathers, qhov no yog ib qho zoo uas tso cai rau ib hom tuaj koom nrog pawg noog.
Txawm li cas los xij, nws tau qhia tias yav dhau los, qee hom dinosaurs kuj tsim plaub thiab cov noog uas peb paub tau nqis los ntawm lawv. Niaj hnub no tseem tsis tau muaj qhov tseeb hais txog dab tsi txhawb qhov kev hloov ntawm cov nplai mus rau plaub (xav txog crocodiles, lwm yam prehistoric creatures), qhov sib txawv txoj kev npaj uas nws yuav yog vim evolutionary txheej txheem tso cai rau lub davhlau ntawm cov hom dinosaurs uas txav mus rau saum thiab ceg ntoo los ntawm kev dhia, thaum lwm tus taw tes rau kev tiv thaiv thermal lossis kev nyiam cov txheej txheem thaum lub caij sib tw.
Txawm li cas los xij, muaj pov thawj uas taw qhia rau dinosaurs teej tug mus rau pawg theropods, xws li cov velociraptor nto moo, ntawm cov cov poj koob yawm txwv cov noog niaj hnub. Qhov kev txiav txim siab no tau ntxiv dag zog rau xyoo 1996, thaum Sinosauropteryx pob txha pob txha tau pom nrog cov ntaub nyias nyias npog nws lub cev. Cov plaub ntawm cov qauv no yuav hloov zuj zus los ntawm cov nplai. Ib yam li ntawd, xyoo 2009 ib pob txha ntawm Tianyulog, ib hom ntawm Cretaceous, tau pom nrog cov qauv ntawm cov bristles ntawm nws nraub qaum.
Feathers yog dab tsi?
Feathers yog lub ntsiab tseem ceeb thaum ya, tab sis qhov no tsis yog tib txoj haujlwm uas lawv ua tiav. Feathers yog dab tsi? Tom ntej no, peb nthuav qhia rau koj.
Ib tug plaub yog ua los ntawm keratin thiab yog ib tug epidermal qauv, uas yog, nws tsim ib feem ntawm daim tawv nqaij. Keratin yog cov protein ua lub luag haujlwm tsis yog tsuas yog rau cov plaub hau, tab sis kuj rau tes, plaub hau thiab nplai. Zoo li cov no, cov plaub yog "tuag", uas yog, nws tsis txuas rau lub cev los ntawm cov hlab ntsha. Kev huam yuaj tshwm sim los ntawm kev txiav plaub lossis rau tes tshwm sim thaum tus neeg tsis paub qab hau ua rau kev txiav ntawm cov hlab ntsha.
Cov plaub yog hu ua plumage thiab, txawm hais tias lawv ua lub luag haujlwm tseem ceeb hauv kev ya, tsis yog txhua tus noog ya, yog li ntawd tsis yog tib txoj haujlwm uas lawv ua tiav. Nov yog qee yam ntawm lawv:
NOJ QAB HAUS NOJ NIAM, CEEV
Tam sim no koj paub tias plaub yog dab tsi, peb yuav qhia rau koj txog qee cov tsiaj uas muaj plaub thiab xav paub txog lawv.
NOJ QAB, KOJ YEEJ YUAV TAU cov tsiaj nrog plaub yog, uas yog, cov noog, yog li peb nthuav qhia koj nrog ntau yam xav txog qee yam ntawm lawv.
Piv txwv tsiaj nrog plaub:
- Cuckoo
- Hummingbird bee
- Mandarin Duck
- Shoebill
- Superb Lyrebird
- Toucan
- Peacock
1. Cuckoo
Cuckoo (Cuculus canorus) yog ib tug noog uas muaj nyob rau hauv Asia, Europe thiab Africa. Cov poj niam ntawm hom no xyaum ua dab tsi yog hu ua nteg kab mob, ib txoj kev xav ntawm kev yug me nyuam qaib: xav txog qhov loj thiab xim ntawm lwm cov noog, tus poj niam saib rau lub zes ntawm lwm hom kom tawm ntawm nws yam tsis pom nws. Ua li ntawd, nws tshem tau ib lub qe ntawm cov noog uas nws cab cab tawm ntawm nws tus kheej. Lub hom phiaj ntawm qhov no yog tias thaum yug me nyuam, tus me nyuam cuckoo yuav pov cov qe thiab tsuas yog pub nws xwb.
ob. Bee Hummingbird
Bee hummingbird (Mellisuga helenae) yog ib hom tsiaj nyob hauv teb chaws Cuba thiab yog noog me tshaj plaws hauv ntiaj teb Nws yog tus cwj pwm los ntawm nthuav tawm liab thiab xiav plumage rau txiv neej, thaum poj niam qhia ntsuab thiab xiav tones. No hummingbird tsuas ncav cuag 5 centimeters thaum laus.
Yog koj xav paub txhua yam hummingbirds uas muaj nyob, tsis txhob hnov qab tsab xov xwm no.
3. Mandarin Duck
Yog tsis muaj kev ntseeg, ib qho ntawm cov tsiaj feathered tshaj plaws, mandarin duck (Aix galericulata) yog ib tug noog nyob rau Tuam Tshoj, Siberia thiab Nyiv, tab sis tam sim no nws kuj pom nyob hauv Europe. Qhov tshwj xeeb ntawm hom lies nyob rau hauv ib tug cim kev sib deev dimorphism: cov poj niam muaj xim av los yog xim av plumage nrog ib co cream los yog dawb cheeb tsam, thaum tus txiv neej pom ib tug ua ke ntawm unhearable. thiab cov xim tshwj xeeb, sib xyaw ntawm qab zib, ci ntsuab, xiav, coral, ntshav, dub thiab auburn.
4. Flemish
Raws li lub npe ntawm flamingo, ob peb hom ntawm genus Phoenicopterus muaj npe, yam ntxwv ntawm lawv cov ceg elongated, ntev thiab lub caj dab thiab lawv pink plumageTxawm li cas los xij, koj puas paub tias cov xim ntawm cov plaub no yog cov khoom noj khoom haus? Thaum yug los, flamingos yog xim dawb, tab sis lawv cov khoom noj yog raws li kev noj cov noob thiab cov crustaceans, uas muaj ntau cov carotenoids, cov organic pigment uas muab cov yam ntxwv xim ntawm lawv plumage.
Yog xav paub ntxiv, tsis txhob nco cov kab lus no: "Vim li cas flamingos liab?".
5. Shoebill
Shoebill (Balaeniceps rex) yog ib qho ntawm cov tsiaj uas xav paub tshaj plaws uas muaj nyob, raws li nws yog hom noog ntawm pelican txiav txim siab rau nws peculiar tsosNws muaj lub beak loj loj uas nws cov duab zoo li khau, qhov tseeb uas yog nws lub npe lom zem. Tsis tshua paub txog nws tus cwj pwm lossis nws cov pej xeem, vim nws tsis tshua tawm hauv African swamps qhov twg nws nyob.
6. Superb lyrebird
The superb lyrebird (Menura novaehollandiae) yog ib tug noog nyob rau teb chaws Australia. Nws yog hom hu nkauj uas sawv cev tshaj lwm tus ntawm hom no vim nws yog muaj peev xwm ua raws cov suabzoo kawg li nias lub koob yees duab kaw lossis lub suab nrov ua li cas chainsaw ua? Ib yam li ntawd, nws xav paub txog nws qhov tshwj xeeb, tshwj xeeb tshaj yog cov txiv neej, uas muaj qhov zoo nkauj heev vim muaj ntau yam ntawm lawv cov plumage.
Yog koj xav paub ntau ntxiv txog cov tsiaj Australian no, tsis txhob nco tsab xov xwm no.
7. Toucan
Nyob hauv lub npe ntawm toucan suav nrog noog ntawm tsev neeg Ramphastidae, noog uas nyob hauv thaj chaw dav, xws li Mexico mus rau Argentina.. Tshaj li cov xim zoo nkauj uas ua rau lawv tus cwj pwm, lawv qhia tus cwj pwm xav paub thaum lub sij hawm mating ritual: ob leeg txiv neej thiab poj niam nyiam noj los yog pov cov zaub mov thiab ceg.
8. Peacock
Noog (Pavo cristatus) yog ib tug noog uas muaj nyob rau sab Asia thiab Europe. Nws qhov tshwj xeeb tshaj plaws yog qhov zoo nkauj thiab muaj yeeb yuj plumage uas cov txiv neej tam sim no, tus cwj pwm los ntawm lawv cov xim xiav thiab ntsuab. Txawm li cas los xij, muaj ib qho tseem ceeb tshaj version, peacock dawb Cov plumage no yog cov khoom ntawm cov noob recessive thiab tsuas yog tshwm sim tom qab xaiv zoo heev crosses.
Yaj Tsiaj Nrog Feathers
Txawm hais tias cov plaub yog qhov tseem ceeb thaum lub sij hawm ya davhlau, muaj qee cov tsiaj uas tsis ya, lawv yog cov cov noog tsis ya. Nov yog qee qhov xav paub thiab tawm tsam:
- Penguin
- Ostrich
- Kiwi
- Cassowary
- Mancon Cormorant
1. Kakapo
Kakapo (Strigops habroptila) is a species of flightless parrot endemic to New Zealand. Nws yog ib tug noog nocturnal uas ntsuas 60 centimeters thiab hnyav txog 4 kilos. Nws muaj moss ntsuab thiab dub plumage.
Tam sim no muaj tsawg dua 200 tus neeg nyob, yog li IUCN tau txiav txim siab hom tsiaj Critically Endangered Koj qhov kev hem thawj tseem ceeb yog kev qhia txog non-native invasive hom rau hauv nws qhov chaw nyob. Vim lawv tsis muaj peev xwm ya tau, lawv yooj yim dua prey ntes dua lwm yam tsiaj.
ob. Penguin
Raws li lub npe ntawm penguins, muaj ob peb hom ntawm genus Sphenisciforme. Lawv nyob hauv Galapagos Islands thiab feem ntau ntawm sab qaum teb hemisphere. Txawm hais tias lawv ya tsis tau, penguins yog zoo ua luam dej thiab txawm siv lawv tis los thawb lawv tus kheej tawm hauv dej thaum khiav tawm ntawm cov tsiaj nyeg.
3. Ostrich
Tus noog (Struthio camelus) yog tus noog loj tshaj thiab hnyav tshaj plaws hauv ntiaj teb, ncav 180 kilos. Txawm li cas los xij, qhov no tsis yog qhov teeb meem rau cov tsiaj, vim tias nws muaj peev xwm ncav cuag 90 km / teev khiav hauv cov nplooj ntawv ntawm Africa. Yog li no, tus tsiaj feathered no tuav tau ob qho ntaub ntawv zoo, vim tias ntxiv rau yog tus noog loj tshaj plaws, nws yog noog ceev tshaj plaws hauv av Yog xav paub noog ceev tshaj plaws Hauv kev ya davhlau, xyuas cov kab lus no: "Dab tsi yog tus noog ceev tshaj plaws hauv ntiaj teb?".
4. Kiwi
Kiwi, belongs rau lub genus Apteryx, yog ib tug qaib-loj noog nyob rau hauv New Zealand. Nws yog ib tug tsiaj feathered omnivorous nrog nocturnal cwj pwmTxawm hais tias nws tsis ya, nws muaj tis me heev. Raws li qhov xav paub tiag tiag, peb tuaj yeem hais tias hom tsiaj yog tsiaj ntawm New Zealand.
5. Cassowary
Nov yog ib hom noog uas muaj peb hom tsiaj nyob hauv Australia, New Zealand thiab Indonesia. Cassowaries muaj ib tug xov xwm: ntev ceg, me ntsis oval lub cev tag nrho ntawm plaub thiab lub caj dab ntev. Ib yam li ntawd, lawv feem ntau ntsuas li 2 meters thiab hnyav ib ncig 40 kg.
6. Greater Cormorant
Thiab peb ua tiav cov npe tsiaj nrog cov plaub uas tsis ya nrog ib leeg tub rog cormorant (Phalacrocorax harrisi), cov noog kawg ntawm Galapagos Islands. Nws yog tus cwj pwm los ntawm kev xav paub txog kev yug me nyuam, polyandrous mating, uas txhais tau hais tias ib tug poj niam reproduces nrog ob peb txiv neej, thiab los ntawm nws cov me tis.
Koj puas paub lwm hom tsiaj uas xav paub plaub uas koj xav qhia? Cia koj saib!
