Ospreys breeding on Artfiicial Structures.

To: alan morris <>, "" <>
Subject: Ospreys breeding on Artfiicial Structures.
From: "Ekerlogic Consulting Services (ECS)" <>
Date: Wed, 24 Aug 2005 17:06:18 +1000
Hi Alan and Birders

There were more than 75 Osprey nests in 2002 between Lake Macquarie and the QLD border. In a comprehensive study undertaken by ECS in 2003, there were at least 90 nests in all catchments between Lake Macquarie and the Queensland border in 2002, with the exception of the Clarence Catchment. In 2003, 118 nests occurred in that area. Of these 81 were in trees, 24 on dedicated nesting poles (erected by NPWS, electricity, telecommunication authorities); 4 on active power poles; 3 on dedicated towers; 2 on a light pole and an active tower; a nest on a span of a railway bridge, a nest on a pontoon (1m above water level) in a lake, a nest on the ground, and a nest on a disused crane derrick.



alan morris wrote:

Hi Birders,

In NSW in 2002 there were 75 pairs of nesting Ospreys between Lake Macquarie and the Queensland border. About 14 pairs of which nested on artificial structures constructed for that purpose, usually by NPWS or the local electricity authorities.

The nesting of the Ospreys at Narrabeen Lagoon reported by Bruce Cox is of interested because it is the first breeding record for the Sydney Region, and the most furthest south in NSW. The most southern nesting effort prior to this was at Kincumber meadows, Brisbane Water on the Central Coast in 1995 but this attempt failed. The next most southern pair is at Wood Point, Lake Macquarie where they have been nesting now for a number of years. In the mid 1990s another pair nested near the Eraring Power Sation on Lake Macquarie, but then there was a gap for 4-5 years before the nesting at Wood Point commenced. North from Lake Macquarie, there is a gap of about 100 km before reaching Port Stephens where there are several nesting pairs.

Pairs are often reported from the South Coast and from the Northern Tablelands but as yet no nests have been found.

Alan Morris
NSW Annual Bird Report
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