Here you go: "other equatorial countries" (scroll right down to the end).
And since when was Ethiopia equatorial, anyway?
Equatorial in this context means that day and night are very nearly equal to each other throughout the year. It doesn't necessarily imply an equatorial climate or the presence of rain forests.
Top Ten Things Overheard At The ANSI C Draft Committee Meetings: (6) Them bats is smart; they use radar.