close up shot of Dusky Moorhen, Gallinula tenebrosa finding and feeding food on grass near lake

australia black bird dusky moorhen dusky moorhen feeding australia lake bird australia bird new guinea bird dark grey black water bird indonesia bird water hen species black bird gallinula tenebrosa birds eat water plants bird bird feeding green plants australia water bird bright red beak australia wildlife galinula tenebrosa feeding bird feeding green tide red facial bird birds on green tide australia park finding food lawns australia pond wetland plant material bird swimming green tide australia lake water pollution park canary yellow tip water contamination algal australia river algal bloom green lake tidegreen swamps tide reddish orange green tide green water mj videography