ECOS web services are available as OGC Web Mapping Services and XQuery. All webservices are offered free of charge and are available to those who may require ECOS data as a component of their own applications.
OGC Web Mapping Services
Critical Habitat Web Mapping Service
The Fish & Wildlife Service provides Critical Habitat data via an Open Geospatial Consortium (OGC) Web Mapping Service (WMS) and KML. The urls to those services are:
View the capabilities of the service here.
For more information about Critical Habitat, visit the official U.S. Fish and Wildlife Service's Critical Habitat application.