Isikhovu esinezintambo ezibomvu

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Lawa ama-toadstools anemilomo eqondile, izintamo ezijiyile namakhanda "ayisikwele". Ngenkathi yokuzalanisa, banezintamo ezibomvu nezisu, imihlane engwevu namakhanda amnyama anendawo ephuzi eqinile kusuka esweni ngalinye kuye emuva kwekhanda. Izinyoni ezisencane zinombala ophuzi ngokumpunga, ingxenye engezansi yekhanda imhlophe. Abantu abadala abangazalisi banombala omnyama-mpunga nomhlophe ngaphansi kwekhanda nasentanyeni.

Indawo yokuhlala

Ebusika, i-grebe enentamo ebomvu itholakala emanzini anosawoti emavesini asogwini nasogwini oluvulekile, futhi kangako emanzini amasha. Ngenkathi yokwakha izidleke, ihlala emachibini anengxube yezimila zamanzi avulekile nezindawo ezingamaxhaphozi.

Le nyoni ivame ezindaweni ezigugile zase-Eurasia naseNyakatho Melika. Ngaphakathi kwe-European Union, lolu hlobo luzala kuphela eScotland, lapho inani labantu lingamabhangqa angama-60 azalanayo. Inani eliphelele lama-grebe entamo abomvu asenyakatho ye-Europe lilinganiselwa ku-6,000-9,000 ngazimbili zokuzalela ngasogwini lwaseNyakatho Sea nasemachibini ase-Central Europe. Ngezinye izikhathi izinyoni zindiza ziye ogwini lwaseMedithera. Ngaphandle kokushintshashintsha okuphawulekayo kwendawo, inani elijwayelekile lalezi zinhlobo lizinzile.

Okudlayo

Ehlobo, izinyoni zidla izinambuzane nama-crustaceans, ezibamba ngaphansi kwamanzi. Ebusika, zidla izinhlanzi, ama-crustaceans, ama-molluscs nezinambuzane.

Ukukhulelwa kwama-grebe entamo abomvu

Ngokubambisana, abesilisa nabesifazane bakha isidleke, okuyinqwaba entantayo yezitshalo ezinomswakama eziboshelwe ezimileni ezihlumayo. Insikazi izalela amaqanda amane kuya kwamahlanu bese kuthi izithandani zifukamele amaqanda ndawonye izinsuku ezingama-22-25. Bobabili abazali bondla amawundlu, baqala ukubhukuda ngemuva nje kokuzalwa futhi bagibele emhlane wabazali. Ngesikhathi sokucwiliswa kwesigaxa samanzi ngaphansi kwamanzi, amaphuphu ahlala emhlane wawo futhi avele, abambelele ngokuqinile ezimpapheni. Izilwane ezincane zindiza ngemuva kwezinsuku ezingama-55 kuya kwezingama-60 zokuphila.

Ukufuduka

Njengoba ubusika busondela, izinyoni ziyashiya izidleke zazo futhi ziqhubekele olwandle olusogwini nasemachibini amakhulu. Ukufuduka kwekwindla kuqala ekupheleni kuka-Agasti, ngenani eliphakeme ngo-Okthoba-Novemba. Ama-grebes anentamo ebomvu aphuma ezindaweni zobusika ukuze akhe izidleke ngoMashi-Ephreli. Bafika ezindaweni ezizalela amaqanda, kodwa abazakhi izidleke kuze kube yilapho amanzi engasenalo nhlobo iqhwa.

Amaqiniso amnandi

I-grebe enentamo ebomvu idla izimpaphe zayo, azigayeki, zakha umata esiswini. Izimpaphe kukholakala ukuthi zivikela isisu emathanjeni abukhali enhlanzi ngesikhathi sokugaya. Abazali baze bondle izilwane ezincane ngezimpaphe.

Ividiyo emayelana nezinsipho ezinesigqoko esibomvu

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