Authorities cancel sea lion tours and introduce measures to protect endangered sea lions after H5N1 bird flu spreads among local bird populations. Multiple outlets report that the situation reaches an alarming milestone, indicating wider transmission of the virus among birds in Australia. In response, wildlife and public health authorities move to reduce contact between people and animals and to limit potential exposure of sea lions to infected birds or contaminated environments. The reporting notes that the actions are intended to shield the sea lions, which are already vulnerable due to their endangered status. While the articles focus on the impact of the virus on birds and the resulting risk to sea lions, they consistently describe an escalating spread pattern and the need for precautionary steps. Tour cancellations are presented as part of a broader effort to manage the outbreak risk as authorities continue monitoring and planning further interventions.