
Estrilda troglodytes
The black-rumped waxbill (Estrilda troglodytes) is a common species of estrildid finch found in Southern Africa. It has an estimated global extent of occurrence of 2,000,000 km2. It is found in Benin, Burkina Faso, Cameroon, Central African Republic, Chad, The Democratic Republic of the Congo, Côte d'Ivoire, Eritrea, Ethiopia, Gambia, Ghana, Guinea, Kenya, Liberia, Mali, Mauritania, Niger, Nigeria, Puerto Rico, Senegal, Sudan, Togo, Uganda. The status of the species is evaluated as Least Concern. It is introduced in France (Guadeloupe), Portugal, the United States (Puerto Rico) and Virgin Islands (possibly died out).
Source: Wikipedia
Other members of the waxbills and allies family recorded in North America — a useful place to start if you are not certain of your identification.
You don't need to spend a fortune. These four pairs will get you birding confidently on day one.
From phone adapters to dedicated rigs, here's what actually works for capturing birds in the field.