Great Blue Herons tuaj yeem tua tau nruab hnub thiab hmo ntuj ua tsaug rau qhov feem pua ntawm cov pas nrig-hom photoreceptors hauv lawv lub qhov muag uas txhim kho lawv qhov pom kev hmo ntuj. … Ua tsaug rau qhov tshwj xeeb zoo li lub caj dab vertebrae, Great Blue Herons tuaj yeem tua tsiaj sai sai ntawm qhov deb.
Pob herons noj hmo?
Herons feem ntau yog crepuscular, stalking koj koi tsuas yog thaum sawv ntxov ntxov thiab thaum tsaus ntuj, tab sis 3 hnub ib hlis, lawv noj tau koj koi txhua hmo!
Pob GREY herons noj hmo?
Txawm hais tias suav tias yog hauv cov ntaub ntawv uas feem ntau yog lub sijhawm noj mov, qhov tseeb Grey Herons noj txhua lub sijhawm ntawm hnub. Feem ntau, lawv noj ntau tshaj thaum kaj ntug thiab thaum tsaus ntuj thiab roost-feem ntau nyob rau hauv trees -thaum nruab nrab nruab hnub thiab hmo ntuj.
Ntxhais ua dab tsi hmo ntuj?
Hmo ntuj herons tseem sawv ntawm ntug dej, thiab tos ambush prey, feem ntau yog hmo ntuj. Lawv feem ntau noj ntses me me, crustaceans, qav, kab dej, thiab tsiaj me. Thaum nruab hnub, lawv so hauv ntoo lossis hav txwv yeem.
Nkauj noog quaj hmo ntuj?
Hu. Hmo ntuj dub-Herons muab ib tug barking squawk thaum cuam tshuam. Cov txiv neej muab ib tug hissing plup kom nyiam cov poj niam. Thaum cov niam txiv tuaj txog ntawm lub zes nrog zaub mov lawv muab cov ntawv sau ua guttural ua raws los ntawm kev hu xov tooj rau woc-a-woc.
