The Cornell Lab of Ornithology has several options for resources in Spanish, many of which focus on Latin American countries.
Celebrate Urban Birds
CUBS is a bilingual citizen-science project that provides educational resources and grants for both urban and rural communities.
BirdSleuth International provides educators in countries outside of the United States with materials and resources. French resources are also available.
eBird and Merlin
eBird and Merlin are great apps for bird identification and now include bird ids from Central and South America. If you’re traveling or teaching in Central and South America, this is a must have.
NestWatch has partnered with Sustainable Forestry Initiative to develop a bilingual curriculum. View the guide and curriculum here.