Territorial interactions in the Adélie penguin: etho-ecological determinants

(1)

i organizzatori:

ilmente ospitato da:

atrocinio di:

LIBRO DEGLI ABSTRACT

a cura di

Rosario Balestrieri

Gaia Bazzi

XX CONVEGNO ITALIANO DI ORNITOLOGIA

X X C ON V E GNO IT A LI A NO DI ORNIT OL OGI A ISBN 978-88-89972-86-1

(2)

Enti organizzatori:

Gentilmente ospitato da:

Con il patrocinio di:

LIBRO DEGLI ABSTRACT

ieri

zi

XX CONVEGNO ITALIANO DI ORNITOLOGIA

X X C ON V E GNO IT A LI A NO DI ORNIT OL OGI A ISBN 978-88-89972-86-1

(3)

LIBRO DEGLI ABSTRACT

a cura di

Rosario Balestrieri

Gaia Bazzi

(4)

64

Territorial interactions in the Adélie penguin: etho-ecological determinants

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Yellowness of iris relates to age and individual quality in two owl species

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Amongst variable bird phenotypic traits, eye coloration remains largely overlooked, with only a few [\]LQM[[]OOM[\QVOI[QOVITTQVON]VK\QWVWZIZWTMQVUI\MZMKWOVQ\QWVIVLKZaX[Q[1ZQ[KWTW]ZQ[IZMUIZSIJTa [\ZQSQVONMI\]ZMQV\PMKZaX\QKLM[QOVWN W_T[_PQKPUIa[]OOM[\\PI\Q\KW]TLXTIaI[QOVITTQVON]VK\QWV Here, we studied colour variation and potential signalling of iris colouration as quality indicator in XIZMV\Wٺ[XZQVOKWUU]VQKI\QWVIVLWZUI\MKPWQKMIVL[WKQITKWV\M`\[QVW_TM\[IVLIL]T\[TQ\\TMW_T[ )\PMVMVWK\]IIVL[KWX[W_T[7\][[KWX[1ZQ[KWTW]ZLWM[VW\LQٺMZJM\_MMV[M`M[J]\^IZQM[JM\_MMV aMIZ[IVL_Q\P\PMWV\WOMVa[QVKMIL]T\[M`PQJQ\UWZMQV\MV[MKWTW]ZMLQZQ[\PIV\PMQZWٺ[XZQVOQV\PM \_W[XMKQM[7_TM\QZQ[KWTW]ZKIVPIZLTaJMQV^WT^MLQVXIZMV\Wٺ[XZQVOKWUU]VQKI\QWVJMKI][MQ\ LWM[VW\ZMTI\M_Q\PW_TM\KWVLQ\QWVJ]\_Q\PXIZMV\ITY]ITQ\a1VIL]T\[PW_M^MZQZQ[KWTW]ZKW]TL XW\MV\QITTaN]VK\QWVI[[QOVITWN Y]ITQ\aI[Q\KWZZMTI\M[_Q\PÅ\VM[[KWUXWVMV\[QV\PM\_W[XMKQM[<PQ[ study suggests that the yellow iris colouration in adult little owls and scops owls may potentially play a ZWTMQV[WKQIT[QOVITTQVOIVLUIaKWV[\Q\]\MM^QLMVKMWN KPZWUI\QKMaM[QOVITTQVOQVW_T[

New technologies shed light on the behaviour of urban-dwelling peregrines

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