Australasian Bitterns specialise in living in dense beds of reeds and rushes, where they are surprisingly difficult to see, as they are particularly well camouflaged. Added to this, when alarmed, they stand still with neck stretched upwards and bill pointing skywards. Sometimes they even sway in the breeze, in time with the surrounding reeds. This combination makes them blend in remarkably well with the surrounding vegetation. It is hardly surprising that the species is seldom recorded.
Description
The Australasian Bittern is a heavy-set, partially nocturnal heron with upperparts that are patterned dark brown, buff and black, and underparts that are streaked brown and buff. The eyebrow and throat are pale, and the side of the neck is dark brown. The bill is brown and the legs are greenish. The Australasian Bittern is also called the Australian Bittern or the Brown Bittern. The Australasian Bittern is found in coastal and sub-coastal areas of south-eastern and south-western mainlnand Australia, and the eastern marshes of Tasmania. The Australasian Bittern frequents reedbeds, and other vegetation in water such as cumbungi, lignum and sedges.
Feeding
Australasian Bitterns forage mainly at night on a wide range of small animals, including birds, mammals, fish, frogs, yabbies, snails, insects and spiders. Like other herons, these birds use several techniques to capture prey, including: standing and waiting, slow stalking, and active pursuit. Wing and leg movements are used to confuse or attract prey items.
Breeding
The Australasian Bittern has a regular season but will also breed during inland flooding. The nest is a shallow structure of dry or green reeds, within a clump of reeds in water or a swamp and is built on a platform of bent-over reeds. Several females will nest within one male's territory.
The cache is NOT at the posted coordinates
This Wherigo converts your player into a virtual version of the "Reverse Cache Box" which tells you the bearing to the cache, but not the distance. You may begin your search from any spot in the world using your Smartphone or Whereigo compatible GPS to navigate to the cache.
**As the cartridge produces whole number degrees, the triangulation is not accurate from long distances especially if the 2 readings are taken close together producing an acute angle at intersection, so don't be disheartened by a GZ that seems wrong, go near there and take more readings.**

The cartridge was created by day1976 and is available to download from the wherigo website. day1976's Open Source Reverse Wherigo .
Start up the player, find and load the cartridge. > NewGame > Find a Geocache > Answer > Enter First Code > xxxxx > Answer > Enter Second Code > xxxxx > Answer > The bearing to this Geocache is xxx degrees. This bearing is from where you are standing. It is now up to you how many times you relocate and obtain different bearings so as to triangulate the cache. The ultimate goal would be to find the cache with just one bearing reading, but for most, it would need a minimum of two bearings. Bearings are with respect to True North, so If using an OS map, allowances will have to be made, as Grid North, Magnetic North, and True North are all different!
To begin, you will have to type these two codes into your player when prompted:
jl3o9
j0xhs
It is suggested that you take the code with you on your journey. It will be needed if it becomes necessary to restart your player for any reason.
Have Fun!
How to download the Whereigo Cartridge
You may begin your search from any spot in the world using a Whereigo compatible GPS unit or phone app.
Link to day1976's Open Source Reverse Wherigo cartridge.
Log into wherigo.com using your geocaching.com player name and password. The cartridge type used on phone apps is the Pocket PC Device.