If you have been finding dead birds in your pond that probably means it was attacked in the air and fell into your pond, so look out for big birds looking for food.
No, all it means is you found two dead birds.
ducks and others
snakes birds
A grackle bird may be found splashing around in a grackle pond. Grackle birds are very homely, and mostly stay around their home pond. Find a local grackle bird pond, and most likely, one will also find a grackle bird.
Crayfish will eat just about anything that they like the flavor of. That includes algae, dead fish, dead crawdads, dead birds, dead people. They constantly walk around a pond or such looking for and then sampling things that might be edible.
No, they do not eat pond fish. They are also known to eat insects, frogs, birds, snakes, small mammals, and earthworms and fruit such as, persimmon and apple. They also are scavengers. Meaning they will eat animals they find dead.
Snakes, turtles, frogs, newts, birds, dragon flies, etc.
A pond or lake
dead pond fish
animals come by and eat the dead bodies of the birds. oh, and i have seen a dead bird in the wild. Usually when birds become ill or weak they hide themselves. They will find some hidden small covered spot to try to get better. That is one reason why you don't see dead birds. In addition to that, birds have natural predators--cats, fox, hawks, etc.-who will seek out any sick bird and dispose of it.
No.
Fungi feeding on dead plants help a pond or a forest by cleaning up the dead trees in the forest. It makes the pond cleaner fir the fishes, insects, and people to enjoy.