Bat detectors for high frequency birds

With reference to birders who have lost their high frequency hearing range but still want to find emu-wrens or grasswrens I would suggest you try a simple heterodyne bat detector- they are directional, they function down to 10khz or less, you usually can record from them, they are cheaper than a hearing aid- but best … Read more

Grey Grasswrens and how to boost high frequency hearing

This technique shouldn’t work well for one ear only, but it might help work out the general direction of the calls by the enhanced difference in volume depending on the direction it’s pointed in. A more directional microphone might help more, but he would have to wave it around to find the loudest direction by … Read more

Pelagic off Port Fairy 22 July 2012

Birdswing Birding & Wildlife Tours Pelagic trip off Port Fairy, Victoria Sunday 22nd July 2012 Observers: Neil Macumber (organiser & report writer), Scott Baker, Peter Barrand, Ken Bridgewater, Dougald Frederick, Murray Grant, Samantha Greiner, Hagai Loyewski, Jill McFarlane, Helen O’Donnell, Steve Powell, Don Saunders and Tom Wheller Conditions: Early 90% cloud cover, afternoon sunny and … Read more