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RT @elinamantyla: 379 of #365papers Griggio et al. UV plumage color is an honest signal of quality in male budgerigars https://t.co/o8ozUMA…
RT @elinamantyla: 379 of #365papers Griggio et al. UV plumage color is an honest signal of quality in male budgerigars https://t.co/o8ozUMA…
379 of #365papers Griggio et al. UV plumage color is an honest signal of quality in male budgerigars https://t.co/o8ozUMA1Ej #ornithology