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ID number:718666
 
Author:
Evaluation:
Published: 23.01.2013.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Paugurknābja gulbji ir vieni no 3 Latvijā sastopamajām gulbju sugām.
Latvijā tas ir sastopams visu gadu.
Ligzdo dažādās ūdenstilpnēs.
Ligzdo apmēram 800 – 1000 pāri.
Ziemotāju skaits svērstās no 200 līdz 5500 putniem, atkarībā no ziemas apstākļiem.
Vispazīstamākā suga pasaulē.
Viegli vairojas nebrīvē un daudzās valstīs tiek turēta kā parku dīķu putns.

Vienīgā gulbju suga, kas riesta laikā veido sirsniņas.

Ķermeņa garums ir 125–155 cm.
spārna garums ir 53–63 cm.
svars – 9–12 kg (maksimums 15 kg).

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