Скачать или смотреть First record of interspecific cooperative breeding among redstart species

Bruni G., Balestrieri R., Mori E. (2023). First record of interspecific cooperative breeding among redstart species. BIRD STUDY, https://doi.org/10.1080/00063657.2023...

Supplementary Video 1

CF: Common Redstart Female
CM: Common Redstart Male
BF: Black Redstart Female
BM: Black Redstart Male

Interspecific interactions:

00:00 CF passes the food to BF.
00:34 BM passes the food to CF.
00:53 CF opens the beak toward BF.
01:29 CF opens the beak toward BM. CF stoles the food from BF. BM attacks CM.
02:31 BM passes the food to CF.
05:55 CF is on the nest and BF arrives to feed the nestlings. CF opens the beak toward BF. BF feeds the nestlings. CF, BF and CM stay together on the nest. BF opens the beak toward CF.
07:09 BF and SF feed the nestlings together.
07:46 CM feeds the nestlings while SF is on the nest.
09:19 BF opens the beak toward CF.BF and CF stay together on the nest.
10:06 BM feeds the nestlings and CF arrives on the nest. CF tries to steal a faecal sac collected by BM.
11:00 CM and CF feeds the nestlings. CM leaves the nest and BM arrives. CF opens the beak toward BM. BM passes the food to CF. BM leave the nest and CF feeds the nestlings. BF arrives on the nest and goes away. BF came back and feed the nestling while CF is on the nest. CF collects a faecal sac and BF tries to take it.
12:20 BF opens the beak toward CF while she goes on the nest.
12:50 CF opens the beak toward BM when he approaches the nesting box. BM feeds the nestling after CF has left the nesting box. CF arrives in the nesting box and BM passes her the food. CF leave the nesting box. CF came back and BM leaves the nesting box.
14:12 BF feeds the nestling while CF is on the nest.
14:36 CF leaves the nesting box when BM arrives. CF came back and opens the beak toward BM.
15:17 CF arrives on the nest while BM is feeding the nestlings. BM collects a faecal sac and CF steals it partially.
15:37 CF and BF together on the nest.
16:20 BM attacks CM. CM respond attacking in turn.
16:31 BF open the beak toward an unidentified adult that approaches the nesting box.