A number of birds that died from bird flu have been confirmed on Rathlin Island.
They were found at Church Bay, the main island harbour, and taken for testing.
According to the Department of Agriculture & Environment, dead birds were also reported on the north coast. However, it is unknown if there was bird flu.
In June, the protection zone for Northern Ireland was lifted.
However. However, flock owners were advised to maintain enhanced biosecurity while the disease remains in wild bird populations.
Great Britain has also seen significant deaths.
The H5N1 highly pathogenic Avian Influenza H5N1 outbreak was the worst ever recorded in these islands. This included hundreds of thousands of birds that were culled in backyard and commercial flocks.
DAERA stated that the public shouldn't handle sick or dead birds.
All dead birds should be reported immediately to the helpline number 0300 027 884. However, the Department has stated that not all fatalities reported will be taken into consideration for surveillance.
Any dead birds that landowners do not collect must be disposed of.
Rathlin is the home of Northern Ireland's largest seabird colony.
According to the department, it took proactive steps to improve biosecurity in seabird breeding colonies. The situation is currently being monitored.
