Writing a Sum Formula. 1  1. Decide what column of numbers or words you would like to add up. 2  2. Select the cell where you'd like the answer to populate. 3  3. Type the equals sign then SUM. Like this: =SUM.  4. Type out the first cell reference, then a colon, then the last cell reference. Like this: =Sum(A2: 1 A4). 5. Press enter.
The nest of the Java sparrow is a mass of grass and leaves. They have been known to use open roof spaces and cavities to build the nest in. Chicks hatch after around 14 days and leave the nest when they reach just over a month old.
Some host species recognize and reject cowbird eggs, but many host species such as the Song Sparrow do not distinguish between their own eggs and those of the cowbird. The upper wing coverts of the adult male are black. Those of younger birds show a brownish wash.oth species are brood parasites that lay their eggs in the nests other birds. Formerly occurring in the central grasslands of North America, wholesale clearing of forested land has allowed the Brown-headed Cowbird to extend its range across most of North America, and to increase its population dramatically.