When you search in a database or online for information about an endangered species, you should search for the specific animal by name, however there are many other words and concepts that might make your search richer and help you find more material. Here are some keywords that might be useful.
Use KEYWORDS not sentences to search in the databases.
Try the name of your endangered species.
Remember to click on FULL TEXT and select an appropriate date range.
Sometimes you will want to select Scholarly/Peer Reviewed
When you find an article make sure to look for the Full text version - usually a PDF.
In this case there is a link to get to the PDF.