loved all your birding photographs. Just awsome , colour composition and evrything.I am pranab frm guwahati and an amateur photographer. I use canon 1000D with sigma 150-500mm lens. At times while shooting small birds, autofocus becomes a problem or rather d camera stops clicking even after auto focusing properly. Any idea sir, how to overcome such problem. I am planning to upgrade to Canon 60D, would that be a good solution. Regards : Pranab Jyoti Rajbongshi