Sentences with phrase «young breeding pairs»

With all the killings, researchers suspect there are more young breeding pairs with less disciplined wolves.

Not exact matches

When looking at nests rather than the overall population, protection significantly improved breeding activity, with annual increases of 8 percent in nesting success (meaning the breeding pair had at least one young) and 13 percent in the average number of young per occupied nest.
Because only one breeding pair are the parents of over 80 percent of the young in a meerkat group, this effect should benefit the next generation as well.
Of the 150 breeding pairs of terns on the island, 10 included at least one parent that, year after year, stole most of the food for the pair's young.
Dwarf Campbell Russian Hamsters (Phodopus campbelli) Dwarf Campbell Russian hamsters are more social than Syrian hamsters, and they can be kept in same sex pairs or groups of their breed as long as they are introduced at a young age.
Specialized nutritional additives like calcium are particularly helpful to certain parrot species such as African grays, young birds or breeding pairs.
Killing wolves breaks up wolf packs, which disrupts the general trend of more mature breeding pairs stopping younger wolves from breeding.
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