Nyama yamphongo yotchedwa crested cormorant nthawi zambiri imasokonezedwa ndi bakha. Izi sizodabwitsa, chifukwa kunja ndizofanana kwambiri ndipo, ngati simukuyang'anitsitsa, mwina simungadziwe mbalame inayake. Mitundu yamtunduwu yalembedwa mu Red Data Books m'maiko angapo, kuphatikiza Russian Federation ndi Ukraine.
Kufotokozera za mitunduyo
Mutha kuzindikira cormorant yokhala ndi zikwangwani zingapo. Choyamba ndi mtundu wa nthenga. Akuluakulu, nthenga zimakhala ndi utoto wakuda wonyezimira wokhala ndi chitsulo chobiriwira komanso chofiirira m'khosi ndi kumutu. Zophimba pamapiko, kumbuyo, masamba amapewa ndi mapewa ndizakuda zokongoletsa ndi veleveti. Nthenga zouluka zamkati zimakhala zofiirira, zakunja zimakhala zobiriwira. Mutu wa cormorants umakongoletsedwa ndi nthenga za nthenga, zomwe zimadziwika kwambiri mwa amuna. Mlomo ndi wakuda wokhala ndi nsonga yotumbululuka, mbali yayikulu ili ndi mikwingwirima yachikaso, iris ndi yobiriwira. Ndizosatheka kudziwa mtundu wa munthu ndi mtundu wa nthenga: amuna ndi akazi omwe ali ndi mtundu womwewo wa nthenga.
Kukula kwake, thupi la cormorant wolalikirayo limafika kutalika kwa masentimita 72, ndipo mapiko ake amatambasula pafupifupi mita. Kulemera kwa mbalame yapakatikati ndi pafupifupi 2 kg. Anthu amasambira bwino ndipo amadziwa m'madzi, pomwe sangathe kuwuluka ndikukhala mlengalenga.
Chikhalidwe
Ndizosatheka kudziwa malo okhala cormorants. Nthawi zambiri amakhala pamphepete mwa nyanja ya Mediterranean, Aegean, Adriatic ndi Black. Oimira awa omwe ali ndi mphuno zazitali amakhalanso ku Africa, makamaka kumpoto ndi kumpoto chakumadzulo. Nyengo iliyonse ndi yabwino kwa mbalame: amalekerera kutentha kwakukulu komanso kotsika chimodzimodzi.
Zakudya zabwino
Chakudya chachikulu cha cormorants ndi nsomba, nthawi zambiri, amasaka:
- capelin;
- hering'i;
- sadini.
Komabe, ngati kulibe nsomba, mbalame imadyera achule ndi njoka. Ndalama ya tsiku ndi tsiku ya wamkulu ndi magalamu 500. Cormorants okhala ndi mphuno zazitali amatumpha bwino, kotero amatha kusaka pakuya mamita 15, ngati mulibe nyama m'madzi osaya, mbalamezo zimatha kugwira nsomba zingapo mphindi ziwiri m'madzi.
Zosangalatsa
Makhalidwe a cormorants omwe amapezeka nthawi zambiri amakhala achidwi kuchokera kwa akatswiri azachilengedwe ndi ofufuza. Zina mwazomwe zimapezeka mu mbalamezi ziyenera kuwunikiridwa:
- Mbalame nthawi zambiri zimawononga minda ya nsomba ndi minda.
- Kum'mwera chakum'mawa kwa Asia, mbalame zimaphunzitsidwa kugwira nsomba zambirimbiri. Izi zimakuthandizani kuti mugwire makilogalamu opitilira 100 usiku umodzi.
- Zikopa za cormorant ndi nthenga zinagwiritsidwa ntchito kukongoletsa zovala ndikupanga zowonjezera.
- Chifukwa cha zimbudzi zochuluka zopezeka m'nkhalango, mitengo yakufa imapezeka m'nkhalango.
