The Great Eagle has been ommitted. It was added via errata to the Storm of Chaos rulebook as a 2 for 1 special choice.
Link to said errata:
http://stormofchaos.us.games-workshop.com/help/assets/SoC_QA.pdf
The High Elf Seaguard stuff is at the end of the Q&A.
Link to said errata:
http://stormofchaos.us.games-workshop.com/help/assets/SoC_QA.pdf
The High Elf Seaguard stuff is at the end of the Q&A.