If you are not in the bird community, it can be very had to know whom to call in any given situation. Maybe this will help.
To find a legally permitted rehabber, for any animal or bird, in Texas, listed by county – https://tpwd.texas.gov/huntwild/wild/rehab/list/
-Any wild, non pet variety, feathered animals from hawks, owls or eagles to bluejays, doves or hummingbirds, all manner of wild water birds to ducks and swans, they all fall under the control and protection of the federal and state governments. There are laws to protect wild birds from individuals that kill, transport, trap or keep at pets any bird protected under the Migratory Bird Treaty.
The Migratory Bird Treaty is administered by, in Texas, The Texas Parks and Wildlife Rangers, The US Fish and Wildlife Rangers and local animal control officers. Private individuals who have met strict requirements can be granted a PERMIT to rehabilitate specific categories of animals.
To find a permit holder:https://tpwd.texas.gov/huntwild/wild/rehab/list/
This is a county-by-county listing of all legally permitted wildlife rehabbers in the state of Texas.