Passengers get charged when they cancel flights, but generally airlines donât. Alaska Airlines does not have a change or cancellation fee for changes made more than 60 days before departure. After departure, the fee is $125 for all paid and award tickets, except refundable first class.
Gray squirrels predominantly feed on tree nuts, but will also eat flowers, seeds, fungi, insects and even the occasional bird eggs. In addition to serving as an important prey species, the nut storing tendencies of the gray squirrel help to disperse tree seeds within their habitat.hese small, tree-dwelling rodents fit easily into a number of habitats due to their remarkable adaptability. Gray squirrels are easily recognized by their gray coat (varying from yellowish gray to pure silver, though different color morphs exist), ruffed tail and cream-colored underbelly.
Behavioural adaptations of a possum include: Structural adaptations of a possum include: 1  They nest in hollows in trees, enabling them to stay clear of predators. 2  When habitat is cleared, they adapt quickly and easily, moving into the roof space in houses, or any other available space such as dog kennels or fireplaces.he predators of true possums, which live in Australia, are eagles, hawks, owls and quolls. Foxes, which have been introduced to Australia, are also predators of possums. Po â¦ ssums should not be confused with opossums, which live in North America, and are not related to possums. + 27 others found this useful.