purpose of lengthy immature plumages

I was watching doco on Patagonia and it was mentioned that Condors take five years to get adult plumage and I wondered why. I thought of an Australian species like Pacific Gull which also takes five years? to get adult plumage and checked in HANZAB but couldn’t find anything relevant to why. Reasons I could … Read more

Mice plague and bird deaths

Hi all, Southern (Riverina) NSW and northern Victoria is currently experiencing a mice plague. The plague is of major concern to grain farmers. Many recently sown crops are very patchy because mice have eaten much of the planted seed. Some farmers are mixing poison with grain and spreading the toxic mix on paddocks to kill … Read more

Barbary Doves in Melbourne – please report.

Curious. Surely the idea of “homing”, as it relates to Rock Doves, is the ability of the birds to return to home from some distant place. Therefore some of these comments below seem odd. If Barbary Doves don’t do this, then that does suggest that if they are released they won’t travel far or it … Read more

RFI SIPO in Brisbane

Dear Birders, Wondered if there has been any sighting of the SIPO in Brisbane in the past few days. Any info gratefully received. Peter =============================== To unsubscribe from this mailing list, send the message: unsubscribe (in the body of the message, with no Subject line) to: birding-aus-request@vicnet.net.au http://birding-aus.org ===============================