Close but...

Celestron 80ED, Canon 30D. No Extender.

Another Circus

Taipal. Canon 30D plus Canon Extender EF 1.4x II and the Celestron 80ED

Mallard

Same day.

Anas clypeata

Same day and place. Canon 30D with Celestron 80ED but without Extender EF 1.4x II

Anas platyrhynchos

Same day in Taipal. A lot of Mallards. Same equipment.

Circus aeruginosus

Another picture, this one in full frame! It was distracted because I could almost touch the wings...
Not a bad day but with no sun... I toke 1480 photos!
Canon 30D plus Extender EF 1.4x II and the Celestron 80ED.