114° 117° 120° 123° 126° 129° LOCATION AND ESTIMATED PERIOD OF HUMPBACK WHALE ACTIVITY IN WA T I M O R S E A 13° 13° 50 0 100 200 300 400 KILOMETRES ALBERS EQUAL AREA PROJECTION WITH STANDARD PARALLELS 17° 30'S AND 31°30'S This map has been compiled from various data sources received from a number of agencies. No responsibility is accepted for any error or omission. 30 APRIL 2003 C Western Australia 2003 500m 200m The periods for resting and calving shown are estimated peak migration periods. Actual timing of annual migration may vary by as much as 3 weeks from year to year due to food availability in the Antarctic. WYNDHAM The major calving ground identified is situated in the Kimberly region - Camden Sound. Humpback whales can also be expected to be encountered outside the shown migratory paths 16° 16° which are representative only of the main migratory body during peak season at each area. (ref. Jenner et al 2001) CAMDEN SOUND Resting/Milling/Calving Area DERBY BROOME 500m 200m 19° 19° I N D I A N TERRITORY O C E A N PORT HEDLAND DAMPIER ROEBOURNE KARRATHA May June July Aug Sept Oct Nov C Migration Route Peak Northbound Migration a Peak Southbound Migration The northern migration extends l The southbound migration is v Exmouth further offshore and lies within the i generally closer to shore, mostly 22° 22° EXMOUTH GULF 400m bathymetry. n within the 200m bathymetry. g Resting area with Calves Broome to Campden Sound Port Hedland to Broome NW Cape to Port Hedland Carnarvon to NW Cape Jurien Bay to Carnarvon NORTHERN 500m Geographe Bay to Jurien Bay 200m North Bound Peak CARNARVON South Bound Peak 25° 25° SHARK BAY South Bound Cow/Calf Peak Resting area with Calves Camden Sound - Resting/milling area/calving area Exmouth Gulf - Resting area with calves Shark Bay - Resting area with calves Geographe Bay - Resting area with calves MEEKATHARRA (Megaptera novaeangliae) The most recognised great whale species. Notable for their long flippers, complex 'songs' and frequent aerial behaviours. Length 14-18 metres. MT MAGNET AUSTRALIA 28° 28° GERALDTON LEONORA I N D I A N Jurien Bay KALGOORLIE SOUTH O C E A N Lancelin 31° 31° 200m 500m Eucla PERTH FREMANTLE KWINANA MANDURAH GEOGRAPHE BAY S O U T H E R N O C E A N Resting area with Calves 200m BUNBURY 500m BUSSELTON ESPERANCE 34° Augusta 34° Walpole Denmark ALBANY 111° 114° 117° 120° 123° 126° 129° Humpback_activity_col.alb.