The male only made three apperance the whole time I was there, while the female did at least a dozen and each time with much more food than this.

Aperture: 5.6	Shutter: 1/800
ISO: 800	Flash: Fired, On, Hi-speed Manual
FL: 400 mm	Lens: EF100-400mm f/4.5-5.6L IS USM
Distance: 5.46 m	Species: Blackbird, Red-winged (Male (and chicks))