Idada

Amadada, amarhanisi, amadada kunye neemerganser zihlobene ngokusondeleyo. Phantse zihlala kufutshane namanzi kwaye zonke zineenyawo ezinentambo.

iimpawu

Akhangeleka njani amadada?

I-Anatidae yenza enye yezona ntsapho zinkulu zeentaka ezineentlobo ezimalunga ne-150 ezahlukeneyo, ezahlulahlulwe zangamaqela amabini: Amarhanisi, aquka amarhanisi kunye namadada. Amadada, wona ahlulwa abe ngamadada adadayo, amadada antywilayo kunye neemerganser. I-Anatidae ineenzwane ezinentambo. Umzimba wazo mde kwaye ubanzi ngoko ke zidada kakuhle emanzini.

Noko ke, kweli lizwe babonakala bengakhululekanga. Iintsiba zamadada nazo zikulungele ukuphila emanzini: Amaphiko e-Anatidae adla ngokuba mafutshane kwaye omelele. Ngazo, zinokubhabha imigama emide, kodwa azizobhabhalaza zintle kakhulu. Iintsiba ezixineneyo zilele phezu kwelokhwe eshushu.

UAnatidae usoloko ethambisa iintsiba zawo ngento eneoyile ephuma kwinto ebizwa ngokuba yi<em>preen gland. Oku kwenza iintsiba zikwazi ukugxotha amanzi kwaye amanzi aqengqeleke asuke kwiintsiba. Imilomo kaAnatidae ithe tyaba kwaye ibanzi. Zinempondo ze-lamellae emphethweni kwaye zingasebenzisa ukuloba izityalo ezincinci ngaphandle kwamanzi.

Kwimeko ye-sawyers, baye baguqulwa babe ngamazinyo amancinci abanokuthi babambe amaxhoba abo, umzekelo, iintlanzi ezincinci, ngokuqinileyo. Phantse kuwo onke amadada, iinkunzi zinentsiba ezintle kakhulu kunemazi. Oku unokukubona kakuhle kwiinkunzi zee<em>mallard ezaziwayo-kakuhle, ezinye zazo zinemibala eluhlaza neluhlaza okwesibhakabhaka.

Ahlala phi amadada?

I-Anatidae ifumaneka kulo lonke ihlabathi: inokufumaneka kuwo onke amazwekazi ngaphandle kwe-Antarctica. Amarhanisi aneentloko zebha anokufumaneka nakwiimitha ezingama-5000 kumathafa aphakamileyo akuMbindi Asia. I-Anatidae phantse isoloko ihlala kufutshane nemithombo yamanzi. Ngokuxhomekeke kwiintlobo, i-pool encinci epakini yedolophu yanele kubo okanye bahlala kumachibi amakhulu okanye amanxweme olwandle. Ekuphela kwento engaphandle yerhanisi elisuka eOstreliya kunye nerhanisi laseHawaii: Bahlala emaphandleni kuphela.

Zeziphi iindidi zamadada akhoyo?

Nangona kukho konke ukufana, malunga ne-150 yeentlobo zamadada zahluke kakhulu: I-spectrum ranges ukusuka kwi-mallard eyaziwayo, amadada anemibala ye-mandarin ukuya kumarhanisi kunye namadada. Noko ke, intamo ende iqhelekile kumarhanisi namadada.

Owona waziwa kakhulu ngamasarha afana nesarha esincinane okanye esarha esiphakathi: Nangona akhiwe ngendlela efanayo namadada, umlomo wawo uwenza abe nenkangeleko eyahlukileyo: Ubhityile kunentshontsho ledada, usarhiwe emacaleni yaye ubotshelelwe kwincam.

Mingaphi iminyaka yamadada?

Amadada aphila iminyaka emithathu kuphela, amarhanisi ukuya kutsho kwemihlanu, kwaye amadada angaphila iminyaka engama-20 ubuncinane. Noko ke, izilwanyana ezininzi zifa zisencinane kakhulu yaye azikhuli nokukhula kuba ziba ngamaxhoba amarhamncwa. Noko ke, ekuthinjweni, amadada anokuphila ixesha elide kunalawo ahlala endle.

Ziphathe

Aphila njani amadada?

Indlela akhangela ngayo ukutya iyafana namadada. Amadada adlalayo athi nkxu iintloko neentamo zawo kumanzi angekho nzulu aze alobe ukuze afumane ukutya ngemilomo yawo. Umzantsi wakhe uphuma emanzini xa isomba – umbono owaziwa ngumntu wonke. Amadada antywilayo kunye namadada ama-moor nawo ayagrumba, kodwa ayakwazi ukuntywila ezantsi aze afumane oononkala apho. Amarhanisi eza elunxwemeni ukuze atye. Kwaye i-mergansers ngabazingeli abakhulu beentlanzi ngenxa yamazinyo amancinci emilonyeni yabo.

Ukongezelela ekufuneni ukutya, amadada azilungisa kakhulu iintsiba zawo: Ngemilomo yawo, afunxa ulwelo oluneoli oluphuma kumadlala e-preen akwiimpundu zawo aze aqabe ngocoselelo usiba ngalunye ngalo.

Kuba kuphela xa iintsiba zingenamanzi, zinokuqubha emanzini. Apho kushushu unyaka wonke, amadada adla ngokuhlala kwilizwe lawo. Noko ke, eYurophu okanye kwiArctic, amadada ayafuduka. Oko kuthetha ukuba babhabha amawaka eekhilomitha minyaka le ukuya kwiindawo zabo zokuhlala zasebusika kwimimandla eshushu.

Abahlobo kunye neentshaba zamadada

I-Anatidae iba lixhoba lezilwanyana ezizingelayo njengeempungutye: izilwanyana ezincinci ziba ngamaxhoba azo. Kodwa amaqanda ayinto yokwenene kwiimpungutye, iiskuas kunye nezinye izilwanyana.

Azala njani amadada?

Amadada adla ngokuzala ngababini. Amarhanisi aqokelelana kumathanga amakhulu ngexesha lokuzala. Ngoko amaqanda kunye namancinci akhuselwe ngcono kwiintshaba. Ama-Anatidae amaninzi ahlala kunye, nto leyo ethetha ukuba izibini zihlala kunye iminyaka emininzi okanye, njengamarhanisi namadada, ubomi bonke. Okukhona amaqanda emakhulu, kokukhona kufuneka abazali bawafukamele ixesha elide.

Ngokomzekelo, amadada angama-pygmy afukamela iintsuku ezingama-22 kuphela, ngoxa amadada efukamela kangangeentsuku ezingama-40. Akuba amantshontsho edada eqanduselwe, ayakwazi ukudada nokuhamba. Kwiiveki ezimbalwa zokuqala, bakhuselwe ngabazali babo kwaye bakhokelela kwiindawo zokutya.

Amadada anxibelelana njani?

Amadada ayakhala. Nangona kunjalo, abaninzi abazi ukuba ngabasetyhini kuphela abakwenzayo oku. Iinkunzi zidla ngokubetha ikhwelo okanye zenze ezinye izandi ezinjengokuncwina. Amarhanisi ayancokola, afowune kwaye atswine, amanye amarhanisi abetha umlozi. Ilizwi lamadada lilikhulu kakhulu;