It's possible your dog has a wound or infections somewhere, maybe he needs his anal glands cleaned out. Take your dog to the vet ASAP.
Take a two liter bottle and cut the top off at the top of the label. In the base add sugar water and then take the top flip it upside down and than stick it inside the bottom.
Nats
Close it.
Sounds like you introduced fruit flies with the tomatoes-one or more of which is infested. Just discard so they are not replaced with new flies. The adult "stragglers" you simply knock down with fly spray.
Many home and garden stores have foggers that will help to eliminate insects around the yard. Burning citronella candles will also help to rid the yard of pests.
nats can only be reproduced by other nats. They are found in trash because adult nats like to eat it.
NATS Holdings was created in 1962.
Vancouver Nats was created in 1971.
Nats are usually known as Little Flies to many people, Yes. These Nats Are attracted to Trash, Foods and fruits
Prosperity
When a group of dragonflies is flying in the yard it means that they are looking for food. Dragonflies eat other smaller bugs. A group of them in the yard might also mean that mosquitoes are present.
ask them to leave
That is simple. Get rid of your cat. (or whatever else is killing the birds)