Boaties in the Bay of Islands are being urged to give a wide berth to a
grieving female dolphin that's swimming around with a dead calf on her
back.
The female bottlenose dolphin is carrying a dead calf in the Bay of
Islands, and Department of Conservation staff monitoring the female and
calf, want boats on the water to give them space.
The mother and calf, suspected to be stillborn, were first spotted on
January 29. The female is displaying strong maternal bond behaviour as
is typical with marine mammals, including carrying the calf on her back
and vocalising on the calf.
"The mother is grieving and needs space and time to do this. The Bay of
Islands is a busy place in summer with a lot of activity in and around
the water. This female needs everyone on the water to give her the extra
space and respect she needs whilst she copes with her loss. If in doubt
avoid all dolphin groups in the Bay of Islands," Dr Catherine Peters,
DoC Senior Ranger Biodiversity, said.
The rest of the dolphin group has at times separated from the female
leaving her vulnerable. She has dropped the calf frequently as she tried
to swim, and then circles back to retrieve it, Peters said.
DoC has been on the water during summer as part of a public awareness
campaign centred on the Bay of Islands bottlenose dolphin. Summer is the
time when most dolphins give birth. If dolphin mothers are subject to
ongoing disturbance they are prevented from doing what is necessary to
care for themselves and their calves.
How to approach dolphins from a boat:
• keep a watch for dolphins – especially around Tapeka point
• carefully approach dolphins from their side and slightly to the rear
• operate your boat slowly and quietly at 'no wake' speed within 300m
• don't approach a group of dolphins if three or more boats are already within 300 m of the group
• manoeuvre your boat carefully - do not obstruct their path, cut through a group, or separate mothers from calves
• If you would like to observe bottlenose dolphins switch off your motor
and give the animals plenty of space – this lets the dolphins carry on
with important activities like nursing and catching fish. If they are
not interested leave them alone
• Give dolphin mums and calves extra space
• If you spot a dolphin less than half the size of an adult, keep your vessel 100 m away from the mother and calf
• Give bottlenose dolphins a break from all boats between 11:30 am and 1:30 pm – do not approach them during this time
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