Search Results for: Birds’ eggs preserved
at a familiar stretch of riverbed. here, the males battle for the right to fertilize the females, and the females batter their bodies as they dig redds in the gravel in preparation for egg-laying. when they are spent, their carcasses lie rotting along the riverbanks, providing food for scavenging birds
and mammals, and cycling nutrients back into the ecosystem. in time, the eggs hatch, and a new generation of tiny salmon begins the cycle again. the atnarko river fish count tower at fisheries pool, tweedsmuir south provincial park, chilcotin, bc. the spring or chinook salmon, o. tschawytscha, is the...
https://britishcolumbia.com/running-of-the-salmon/
one remains; the survivor then becomes the new queen. if one of the sisters emerges before the others, she may kill her siblings while they are still pupae, before they have a chance to emerge as adults. once she has dispatched all of her rivals, the new queen, the only fertile female , lays all the eggs
for the old colony, which her mother has left. virgin females are able to lay eggs, which develop into males (a trait shared with wasps, bees, and ants because of haplodiploidy ). however, she requires a mate to produce female offspring, which comprise % or more of bees in the colony at any given time...
https://en.wikipedia.org/wiki/Apis_melifera
one remains; the survivor then becomes the new queen. if one of the sisters emerges before the others, she may kill her siblings while they are still pupae, before they have a chance to emerge as adults. once she has dispatched all of her rivals, the new queen, the only fertile female , lays all the eggs
for the old colony, which her mother has left. virgin females are able to lay eggs, which develop into males (a trait shared with wasps, bees, and ants because of haplodiploidy ). however, she requires a mate to produce female offspring, which comprise % or more of bees in the colony at any given time...
https://en.wikipedia.org/wiki/Apis_mellifera