Yellow-Tailed Black Cockatoos (Calyptorhynchus funereus) are seldom seen around North Sydney, but they’re common in the coastal suburbs where their food-trees abound. Last week I first heard— and then saw—a small flock near Malabar headland.
This was the first bird I saw:
I saw a pair of Crimson Rosellas (Platycercus elegans) last weekend at Hill Top, 115 kms SW of Sydney. I’ve not seen any around North Sydney for quite a few years so I was very pleased to see them.
The pair had flown down to the ground to forage in a shady patch:
Last week a neighbour’s daughter needed help with her school assignment on native and non-native species in North Sydney. That led me to think about nativism – the protection of native species against introduced ones – and the whole business of native, domestic, and feral animals and plants.
Exotic flora and fauna are a big problem in Australia. The Red Fox (Vulpes vulpes), for example, was introduced to the Sydney area around 1845 because English expats missed their foxhunting. Feral foxes now range over much of Australia. This one was on a farm in Boorowa.
Near where I recently saw these bees, I came across a Honey Bee and a Carpenter Bee near each other in a Silky Grevillea (Grevillea sericea). The weather was a fair bit cooler than the last time, but while the Honey Bee could move around comfortably in the 15.5°C temperature, the Carpenter Bee was clearly struggling.