RAZNOLIKOST PTICA
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RAZNOLIKOST PTICA. – parenje – svadbeno ruho, glasanje, udaranje krilima, poskakivanje. – gnijezda – iz različitoga materijala. – potomstvo – briga do osamostaljivanja. lastavica. – selice – divlja patka, lastavica, roda, prepelica i dr. vrabac. crni kos. sjenica.

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RAZNOLIKOST PTICA

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Raznolikost ptica

RAZNOLIKOST PTICA


Raznolikost ptica

– parenje – svadbeno ruho, glasanje, udaranje krilima, poskakivanje


Raznolikost ptica

– gnijezda – iz različitoga materijala


Raznolikost ptica

– potomstvo – briga do osamostaljivanja


Raznolikost ptica

lastavica

– selice – divlja patka, lastavica, roda, prepelica i dr.


Raznolikost ptica

vrabac

crni kos

sjenica

– stanarice – vrabac, sjenica, kos, vrana, svraka


Raznolikost ptica

bjeloglavi

sup

– grabljivice – svinut kljun, oštre pandže, dobar vid


Raznolikost ptica

– močvarice – duge noge, dug kljun, dug vrat– prilagodba – na stanište, hranjenje, godišnje doba…


Raznolikost ptica

PODRIJETLO PTICA

– predci praptice – srodnici dinosaura

– fosil praptice – obilježja gmazova – kosti nisu lagane

– zubi u čeljustima – pandže na krilima – dug rep s kralješcima – obilježja ptica– perje

– prednji udovi preobraženi u krila – kljun


Raznolikost ptica

– važnost ptica – hrana štetni kukci, miševi i

drugi sisavci štetni u poljima

– domaće ptice – čovjek uzgaja radi mesa, jaja, perja


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