Ecosystems

A number of Burmese pythons have been found on Key Largo, and a few in the Lower Keys.  However, there is as yet no evidence of a breeding population anywhere in the Keys.  Because pythons regularly escape or are released from captivity, it can be diff
Cicadas are not harmful to humans and they rarely cause significant plant damage. However, the eggs are laid in slits in twigs, so during large emergences of periodical cicadas they can cause substantial damage to branches of trees and shrubs.
No, salmon are not endangered world-wide. For example, most populations in Alaska are healthy. Some populations in the Pacific Northwest are much healthier than others.
In some places, yes, but under several constraints. Specifically, importation of live snakeheads and their interstate transport is prohibited. Many states prohibit possession of snakeheads, and several of those states have done so for decades.
Asian carp of all types have white, firm, mild flesh, which is excellent table fare, but all Asian carp also have intramuscular bones in the filets that many people find undesirable.
Experimentally, it was found that this may be possible.
Most snakeheads will avoid contact with humans. However, when guarding their eggs or young, they can become aggressive if approached.
Dead snakeheads--on ice or frozen--can be imported for food purposes to any state except those where importation or possession of dead snakeheads is illegal.
Based on safety reports available from the EPA, many of the pesticides being used by local agencies for mosquito control are considered to have very low toxicity to birds.