Misc: who killed king william ii?

Questions

[pot luck] what unusual feature is shared by ostriches and kiwi birds?

[pot luck] what is the nineteenth letter of the alphabet?

[pot luck] what is salinity a measure of?

[pot luck] the eggs of the sturgeon fish are an expensive delicacy what are they called?

[pot luck] bamboo is which of the following grass, tree, fern?