Logo needed for Great Lakes wildlife toxicology program

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This customer received 33 logo designs from 20 designers. They chose this logo design from alvinnavarra as the winning design.
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The Great Lakes Herring Gull Contaminant Monitoring Program has been monitoring contaminants (like PCBs) in the Great Lakes since the 1970s. The data is published in scientific journals, and is given to government agencies, NGOs, and other organizations. Every year we collect gull eggs to monitor contaminants by boating to colonies, sampling eggs, and analyzing them in our laboratory. We would like a design that includes herring gulls (note: there are many species of gulls), one that is not too complex, and it can contain an image of eggs (if so, make it accurate for the species), and if the Great Lakes can be incorporated, either directly or on the side, the better.
I am unsure what to have to indicate contaminants, but any inclusion should be not overwhelming; no skull and cross bones, please! Also, am looking for non cartoonish-drawings - it isn't supposed to be humorous.
You can see pictures of herring gulls here: (the white ones are the adults)
https://search.macaulaylibrary.org/catalog?taxonCode=hergul&mediaType=p&sort=rating_rank_desc
Their eggs are here: https://upload.wikimedia.org/wikipedia/commons/1/15/Herring_gull_eggs.jpg
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Target Market(s)
The target audience are scientists, wildlife managers, engineering types, and regulators, and biologists. Note, the project is a Canadian program.
Logo Text
Great Lakes Herring Gull Contaminant Monitoring Program
Logo styles of interest
Emblem Logo
Logo enclosed in a shape



Pictorial/Combination Logo
A real-world object (optional text)



Abstract Logo
Conceptual / symbolic (optional text)



Character Logo
Logo with illustration or character


Font styles to use
Look and feel
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Upmarket
Requirements
Must have
- Herring gulls, although not necessarily as main feature.
Nice to have
- Some indication of contamination or pollution. Nice to have, if it fits, a background or image along side of the Great Lakes. Herring gulls eggs could also be incorporated into the image.
Should not have
- Not be cartoon-like; this isn't to be humorous.