Mbalame Lifespans

Kodi Mbalame Zimatha Kukhala Ndi Moyo Wotalika Motani?

Nthawi zambiri mbalame zam'mlengalenga zimagwirizana ndi alendo awo a mbalame , chifukwa amakhulupirira kuti mbalamezi zimabweranso chaka chilichonse. Ngakhale mitundu yofananayo ingapitirize kuyendera bwalo lomwelo, kodi iwo alidi mbalame yomweyo? Ngakhale pali zizindikiro zapadera zomwe zimalola munthu kudziwika yekha - ndalama zolepheretsa, phazi loponyedwa, ntchentche , etc. - mbalame zambiri zimawoneka chimodzimodzi, komanso mbalame zowona bwino mbalame zimatha kuthandiza mbalame kudziwa zomwe mbalame zikhoza kubwerera kapena kuzibwerera.

Mbalame Zakale Zimakhala Motani?

Pali zinthu zambiri zomwe zimakhudza zaka zingati mbalame zakutchire zikhoza kukhalira. Kawirikawiri mitundu yambiri ya mbalame - raptors, albatrosses, ziphuphu zazikulu - zimakhala ndi moyo wautali, ndipo mitundu iliyonse ya mbalame ikhoza kukhala ndi zosiyana za moyo. Zinthu zina zomwe zimakhudza mbalame zakuphatikizapo:

Mbalame zimafa kwambiri m'chaka choyamba chitatha, ndipo othothologists amalingalira kuti 80 mpaka 90 peresenti ya mbalame zazing'ono sizimakula mpaka kukula.

Taganizirani kuti mbalame imodzi yokha imatha kubweretsa ana angapo omwe amatha kuwonjezera mbalame zatsopano 15-20 kapena zambiri chaka chilichonse; ngati chiwerengero cha anthu sichinali chokwanira kwambiri, kuchuluka kwa mbalame kungakhale nkhani yaikulu. Chifukwa cha kufa kwakukulu ndi zinthu zosiyanasiyana zomwe zimakhudza moyo wa mbalame, komabe anthu ambiri akhoza kukhala osasamala.

Kuwerengera Moyo Wamoyo

Ndi kovuta kuwerengera zaka za mbalame ndi moyo. Pamene mbalame zing'onozing'ono zimakhala ndi mitundu yosiyana siyana, kamodzi mbalame zikakula, nthenga zawo sizisonyeza zaka. Koma mbalame zikagwedezeka, tsiku la banding lawo limalembedwa ndipo ngati liloledwa ndi maukonde oyendetsa maukonde kapena litatengedwa ndi matenda kapena kuvulala patapita zaka, gululo likhoza kuyang'anitsitsa kuti lidziwe msinkhu wa mbalameyo. Izi zimakhala zogwira mtima kwambiri ngati mbalame zimagwiritsidwa ntchito pa chisa, chifukwa ndiye kuti tsiku lawo likudziwika ndipo zaka zawo zikhoza kutsimikiziridwa ngati zidzatengedwa m'tsogolomu.

Zonsezi, kusowa kwa deta kumachititsa kuti zikhale zosatheka kufotokozera moyo wa mbalame. Pamene mbalame zimawona mbalame yokhazikika, komabe, iyenera kufufuza zitsulo momwe zingathere ndikulemba makalata kapena nambala iliyonse yomwe ingafotokozedwe. Monga momwe deta yambiri imasonkhanitsidwira, miyoyo ya mbalame idzamvetsetsedwa bwino.

Mbalame Yaikulu Lifespans

Pali ziwerengero zosayembekezereka zokhudzana ndi moyo wa mbalame, womwe umatsimikiziridwa ndi deta kuchokera ku mbalame zam'mlengalenga zomwe zawonedwa kangapo. Ngakhale kuti zolembazi zingasinthe ngati mbalame zambiri zimagwiritsidwa ntchito ndipo zina zowonjezera zowonjezera, zina mwa mbalame zakutchire zimaphatikizapo:

Mbalame Zakale Zimakhala M'ndende

Mbalame zomwe zimakhala mu ukapolo zimakhala ndi moyo wautali kwambiri kusiyana ndi nyama zakutchire chifukwa zimakhala zovuta zofanana ndi mbalame zakutchire zomwe zimakhalapo. Mbalame zothamanga sizikusowa chakudya, sizimayendetsedwa ndi ziweto, sizikusowa kugwiritsa ntchito mphamvu zokopa kapena kusamuka ndipo nthawi zambiri zimakhala ndi chithandizo choyenera chazilombo, zomwe zimawapangitsa kuti asamavutike ndi kuvulala kapena matenda.

Kusamalidwa bwino, mbalame zinyama, zinyama kapena zoweta zikhoza kutheka mbalame zakutchire kwa zaka zambiri, ngakhale kuti mitundu yonse ya mbalame sizimafanane bwino ndi zovuta, ndipo mitundu ina ikhoza kukhala ndi moyo waufupi chifukwa cha mavuto a ukapolo.

Mbalame zoyembekezera za moyo ndi zamoyo zimatha kukhala zosiyana kwambiri, ndipo ngakhale kuti akatswiri a zolemba zapamwamba samakhala ndi deta yolongosola momwe mbalame zidzakhalire, kumvetsa zomwe zimakhudza moyo wa mbalame ndi sitepe yoyamba imene mbalame iliyonse ingakhoze kutenga kuti mbalame zizikhala motalika, zokondwa, moyo wathanzi.

Chithunzi - Nzeru, Mbalame Yakale Kwambiri Kwambiri Padziko Lonse (2015) © Daniel W. Clark / USFWS