The hedgehogs have been eating birds' eggs and chicks, leading to a big decline in the population of rare waders.
In 1954 it became illegal to take birds' eggs from the wild.
The coati is about the same size and shape as a raccoon and is omnivorous - eating leaves, fruit, small rodents, birds and eggs.
Mr Chance was also an expert on birds' eggs and was considered to have one of the best collections in the country at a time when the hobby was deemed acceptable.
Each year, the birds lay their eggs near the site of an old swimming pool on Longsands beach in Tynemouth.
They harvested nesting birds and their eggs by scaling the 1, 400ft cliffs.
It can spread in markets or places where eggs and birds are sold in crowded conditions.
Fewer birds led to fewer eggs, and as the supply went down, prices went up.
One is that the embryonic birds in the favoured eggs really do have better genetic health than their less-favoured half-siblings.
Birds and reptiles hatch from eggs, yet they, too, have these sutures.
By the beginning of the 19th Century, the colony was all but wiped out as a result of rats preying on chicks, eggs and adult birds.
BBC: Calf of Man islet rat-cull project calls for volunteers
In addition, with cuckoos laying their eggs in other birds nests, there may be issues with their key hosts, such as the meadow pipit and dunnock, being in decline.
That has led to concerns that the birds used to make the eggs themselves could succumb to bird flu. (The companies emphasize that the chickens are kept under extremely secure conditions.) There is research going on to use dog, monkey or human cell cultures to produce flu shots, but such production is five to ten years away.
And those supposed environmental effects, such as the eradication of birds because of the softening of their eggs, are almost all fictitious.
The mammals are not native to the isles and have been blamed for preying on the eggs of ground-nesting wading birds.
BBC: Hedgehogs may have returned to cleared areas of Hebrides
Experts have warned it is not possible for the birds to lay again this season to replace the eggs that have been stolen.
Its eggs remain as a reminder that these birds ever existed, and their primal form has inspired the work of modern sculptors such as Alberto Giacometti.
Now their appetite for the eggs and chicks of ground-nesting birds such as the South Georgia pipit and pintail is threatening the survival of these endemic species.
Home to breeding populations of 14 species and approximately 20, 000 birds, one of the islands' major threats is predation of eggs and chicks by rats.
It said the animals were having a devastating impact on the islands' internationally important populations of wading birds - like the dunlin, lapwing, redshank and snipe - by eating their eggs.
The birds of prey at the Chilterns Area of Outstanding Natural Beauty (AONB) are laying their eggs about 10 days later than normal.
Birds were given different colors, squawks and abilities such as extra density, acceleration and the power to lay explosive eggs in the air before winging off their parabolas from the counterforce of laying eggs.
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